Stanford University

Explaining the Dramatic Decline in Political Violence around the World since the End of the Cold War

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Professor Andrew Mack is the Director of the Human Security Centre at the Liu Institute for Global Issues, University of British Columbia. Prior to establishing the Human Security Centre, he was a Visiting Professor at the Program on Humanitarian Policy at Harvard University (2001) and spent two and a half years as the Director of Strategic Planning in the Executive Office of Secretary-General Kofi Annan at the United Nations (1998-2001).

Professor Mack has held the Chair in International Relations at the Institute of Advanced Study at the Australian National University (1991-1998), was the Director of the ANU's Peace Research Centre (1985-91) and was the ANU's Senior Research Fellow in the Strategic and Defence Studies Centre (1984-85).

He has held research and teaching positions at Flinders University (Adelaide, Australia) the London School of Economics, the Copenhagen Peace Research Institute, the Richardson Institute for Peace and Conflict Research, University of California at Berkeley, Irvine and San Diego, the University of Hawaii, Fudan University in Shanghai and the International University of Japan.

His pre-academic career included six years in the Royal Air Force (engineer and pilot); two and a half years in Antarctica as meteorologist and Deputy Base Commander; a year as a diamond prospector in Sierra Leone and two years with the BBC's World Service producing the current affairs program "The World Today".

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Andrew Mack Director, Human Security Centre Speaker the Liu Institute for Global Issues, University of British Columbia
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Improving Math Ed--Bush Right About That

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In his State of the Union address in January, President Bush stressed the importance of improving math education. He proposed to "train 70,000 high school teachers to lead advanced placement courses in math and science, bring 30,000 math and science professionals to teach in classrooms, and give early help to students who struggle with math."

But where will these teachers come from? And will the training of teachers be sufficient to increase the number of students choosing math and science careers? And why does all this matter?

Because mathematics is the foundation of the natural sciences. It is no coincidence that Isaac Newton, the man who formulated the law of gravitational attraction that revolutionized our understanding of the universe, was also the man who popularized the calculus. And the natural sciences, however pure, are what give us airplanes, cable TV and the Internet.

In the 2003 Program for International Student Assessment, a test that measures math literacy, American 15-year-olds performed worse than their peers in 23 countries, as well as those in Hong Kong. It's not hard to see why. According to the National Council of Teachers of Mathematics, 40 percent of the nation's middle school math teachers do not have the equivalent of an undergraduate minor in math. The average starting salary of a teacher is only $30,000, whereas the average starting salary for a recent college graduate in computer science or engineering is $50,000.

Short of following the British, who have proposed paying experienced math teachers more than $100,000, with a guaranteed minimum of $70,000, where will we find a way to attract the thousands of teachers George Bush wants?

New York State initiated an innovative program to bring teachers from Jamaica for two or four years to teach in New York schools. Jamaica, a developing nation where one U.S. dollar equals 65 Jamaican dollars, is nonetheless a stable, English-speaking nation with an unbroken democratic tradition; it stands poised to beat the United States in establishing the world's first Institute for Mathematical Methods in Counterterrorism. When teachers for the New York program were recruited on the campus of the University of the West Indies, recruiters found more experienced math and science teachers than they ever dreamed they would.

But you can have all the teachers in the world and still not inspire kids to learn math. My friend Autumn e-mailed me about her nephew, Joshua: "He's upset because he's asked several of the math teachers why math is important or what are certain formulas used for -- there has to be a use, correct?"

Autumn told her nephew about my work in counterterrorism and for the television crime drama "Numb3rs." Autumn reported, "He's told his math teachers about you as well, and about the show 'Numb3rs.' He's informing them that through something called lattice theory you are managing to fight terrorists -- all with math."

Mathematics is art, and should be appreciated for its beauty, not simply for its utility. But we cannot expect 11 year-olds to cherish totally order-disconnected topological spaces as much as professional mathematicians do.

As I first proposed in January 2005, television shows like "Numb3rs" (or "Medium") -- where the main characters are mathematicians -- could work with the National Council of Teachers of Mathematics to show kids how math is really used; the council and Texas Instruments are now working together to use "Numb3rs" to promote math literacy in schools.

Another way to inspire kids is to relate mathematics to something they see every day. In order to excite students and draw funding to his school, school superintendent Ronald Ross of Roosevelt, N.Y., has begun looking into the idea of creating a curriculum involving math and counterterrorism. What kinds of topics would students learn?

The opening line of the Oscar-winning movie "A Beautiful Mind" is "Mathematicians won the war." During World War II, the mathematics underlying cryptography played an important role in military planning. Winston Churchill admired Alan Turing, the mathematician who had mastered the German codes, recognizing him as the man who had perhaps made the single greatest individual contribution to defeating Hitler.

At Los Alamos, the lab that built the atomic bomb, Cliff Joslyn uses lattice theory to mine data drawn from thousands of reports of terrorist-related activity to discover patterns and relationships that were previously in shadow.

Lattice theoretical methods developed at MIT tell us the probability that we have disabled a terrorist cell, based on how many men we have taken out and what rank they hold in the organization. Lauren McGough, a Massachusetts high school student, tested the accuracy of this model by getting her classmates to pretend they were terrorists, passing orders down a fictitious chain of command, essentially confirming what the theory predicts.

High school students could learn algebra, trigonometry, calculus and logic while also learning concrete applications involving homeland security. No longer would students yawn and ask, "What is math good for?" Beauty could defeat both terror and boredom.

Whatever you may think of the State of the Union address, when it comes to supporting math education, we should all see pi to pi. President Bush is correct when he says that mathematics education in America must improve if the United States is to stay economically competitive, but the stakes are much higher than that. During the Cold War, the United States would not have tolerated a military gap between itself and its adversaries. Yet today, with 61 percent of all U.S. doctorates in math going to foreigners (15 percent to Chinese), we readily accept a "math gap."

Dollar for dollar, the best defense against our adversaries' weapons of mass destruction may be our allies in the Americas, armed with weapons of math instruction.

Improving math education is not merely a smart idea. It is a matter of national security. Algebra is one revolutionary Islamic concept we cannot afford to neglect or ignore.

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Operations research, mathematics yield homeland security decision tools

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George Habash, a militant and former secretary-general of the Popular Front for the Liberation of Palestine, once characterized terrorism as a "thinking man's game." Fighting terrorism is a thinking game, too, as illustrated by CISAC scholars Lawrence M. Wein and Jonathan Farley who use operations research and mathematics to devise rational methods for homeland security policy making.

George Habash, a militant and former secretary-general of the Popular Front for the Liberation of Palestine, once characterized terrorism as a "thinking man's game." Using mathematics, researchers at Stanford University's Center for International Security and Cooperation (CISAC) have made fighting terrorism a thinking man's game as well.

CISAC affiliate Lawrence M. Wein of the Graduate School of Business and CISAC Science Fellow Jonathan Farley are both applying mathematical models to homeland security problems, such as preventing a nuclear detonation in a major U.S. city and determining whether terrorist cells have likely been disrupted.

Wein, who teaches operations classes about different business processes used to deliver goods and services, has focused his research on bioterrorism and border issues. He has performed, he says, the first mathematical analyses of hypothetical botulism poisoning, anthrax outbreaks and smallpox infections.

"One overriding theme of my work is that all these homeland security problems are operations problems," said Wein, the Paul E. Holden Professor of Management Science. "Just as McDonald's needs to get hamburgers out in a rapid and defect-free manner, so too does the government have to get vaccines and antibiotics out and test the borders for nuclear weapons or terrorists in a rapid and defect-free manner."

In collaboration with Stephen Flynn of the Council on Foreign Relations, a nonpartisan research center, Wein recently has conducted research to improve security at U.S. borders and ports. Port security has received significant attention recently owing to the furor over Dubai Ports World's bid to manage six terminals at major U.S. harbors. The aim of Wein and Flynn's work is to prevent terrorists from bringing into the country a nuclear weaponbe it an atomic bomb or a so-called "dirty bomb," or conventional explosive packed with radioactive waste.

"Of all the problems I've studied, this is the most important because the worst-case terrorist scenario is a nuclear weapon going off in a major U.S. city and also it is the one the government has dropped the ball on the most," Wein said. "They have done a very poor job."

Instead of using the existing approach, where U.S. Customs actively inspects a minority of containers based on information from a specialized tracking system designed to identify suspicious containers, Wein and Flynn have recommended the government use a multi-layer, passive screening system for every container entering the country. Under their system, Customs would photograph a shipping container's exterior, screen for radioactive material and collect gamma-ray images of the container's contents. If terrorists shielded a bomb with a heavy metal such as lead to hide it from radiation detectors, gamma-ray imaging would allow inspectors to see the shielding and flag the container for inspection. Wein and Flynn believe this whole process would cost about $7 per container.

"Right now about maybe 6 percent of the containers are deemed suspicious and they will go through some testing and the other 94 percent of the containers just waltz right into the country without an inspector laying an eye on them," Wein said. "What we're proposing to do is 100 percent passive testing."

Wein's earlier work addressed a different threat: bioterrorism. In 2005, Wein revealed the nation's milk supply was vulnerable--a terrorist could potentially poison 100,000 gallons of milk by sneaking a few grams of botulinum into a milk tanker. Although the government and dairy industry have collaborated to intensify the heat pasteurization formula for milk, Wein is still pushing for additional botulinum testing, which he says would cost less than 1 percent of the cost of milk.

Wein also has used math to study smallpox outbreaks, the U.S. fingerprint identification system and U.S.-Mexico border security issues. Wein's congressional testimony on the fingerprint identification system in 2004 led to a switch from a two-finger system to a 10-finger system. His 2003 research on anthrax attacks resulted in a Washington, D.C., pilot program to use the U.S. Postal Service to distribute antibiotics throughout the capital after an outbreak. Seattle is now testing a similar program.

"In Washington, D.C., now, if there is a large-scale anthrax attack, postal workers will be the first to get their Cipro and, on a voluntary basis, they will go door-to-door distributing antibiotics," Wein said.

He said the common thread throughout his research is queuing theory, or the mathematical study of waiting lines, but he also draws upon mathematical epidemiology for his smallpox studies; air dispersion models for the anthrax model; supply chain management for the milk study; probability theory for the fingerprint identification system; and models for nuclear transport and detection for his work with containers.

From tainted lactose to lattice structures

While Wein is working on improving the government's counterterrorism systems, Jonathan Farley is working to figure out when terrorist organizations have been effectively disrupted. His mathematical model is designed to help law enforcement decide how to act once they have captured or killed a terrorist or a number of terrorists in a cell.

A professor at the University of the West Indies who will chair the Department of Mathematics and Computer Science there next year, Farley is on a one-year science fellowship at CISAC. In 2003, he co-founded Phoenix Mathematical Systems Modeling Inc., a company that develops mathematical solutions to homeland security problems.

He is using lattice theory--a branch of mathematics that deals with ordered sets--to determine the probability a terrorist cell has been disrupted once some of its members have been captured or killed.

"Law enforcement has to make decisions about what resources they should allocate to target different cells," Farley said. "The model should provide them with a more rational basis for allocating their scarce resources. ... It will inform you when you're making decisions about how much time and effort and how much money you're going to spend going after a particular cell."

While at Stanford, Farley hopes to unearth the perfect structure, mathematically speaking, for a terrorist cell--or in other words, a cell structure that is most resistant to the loss of members.

"If it's possible to determine the structure of an ideal terrorist cell, you can focus on a much smaller number of possibilities, because it makes more sense to assume the adversary is going to be smart rather than stupid," Farley said.

Farley has suggested it is possible Al-Qaida and other terrorist organizations already may have figured out the perfect structure for a terror cell by trial and error.

"I don't expect Osama bin Laden to be reading lattice theory in his caves in Afghanistan," said Farley. "But if it follows from the mathematics, perhaps heuristically, the terrorists will have come to the same conclusion--that this is the best way to structure a terrorist cell."

Although Farley acknowledges his model is not a panacea for terrorism, he hopes it will help reduce guesswork that might be involved in pursuing terrorists.

"It's not that I think mathematics can solve all of these problems," Farley said. "Because it can't. But it's better to use rational means to make decisions rather than guesswork."

John B. Stafford is a science-writing intern at Stanford News Service.

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More Than Humanitarianism: A Strategic U.S. Approach Toward Africa

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Lyman and Morrison will discuss the Council on Foreign Relations-sponsored Independent Task Force Report on the US and Africa. The Report argues that Africa is becoming steadily more central to the United States and to the rest of the world in ways that transcend humanitarian interests. Africa now plays an increasingly significant role in supplying energy, preventing the spread of terrorism, and halting the devastation of HIV/AIDS. Africa's growing importance is reflected in the intensifying competition with China and other countries for both access to African resources and influence in this region. A more comprehensive U.S. policy toward Africa is needed, the report states, and it lays out recommendations for policymakers to craft that policy. The report is available at www.cfr.org.

Princeton N. Lyman is the Ralph Bunche Senior Fellow and Director for Africa Policy Studies at the Council on Foreign Relations. He is also an Adjunct Professor at Georgetown University. Ambassador Lyman served for over three decades at the U.S. Department of State and the U.S. Agency for International Development (USAID), completing his government service as Assistant Secretary of State for International Organization Affairs. He was previously Ambassador to South Africa, Ambassador to Nigeria, Director of Refugee Programs and Director of the USAID Mission to Ethiopia.

From 1999 to 2000, he was Senior Fellow at the United States Institute of Peace. Ambassador Lyman held the position of Executive Director of the Global Interdependence Initiative of the Aspen Institute (1999 to 2003) and has received the President's Distinguished Service Award and the Department of State Distinguished Honor Award. Ambassador Lyman has published on foreign policy, African affairs, economic development, HIV/AIDS, UN reform, and peacekeeping. He coauthored the Council on Foreign Relations Special Report entitled Giving Meaning to "Never Again": Seeking an Effective Response to the Crisis in Darfur and Beyond. His book, Partner to History: The U.S. Role in South Africa's Transition to Democracy, was published in 2002. He earned his B.A. from the University of California at Berkeley and his Ph.D. in Political Science from Harvard University. He serves as the Co-Director of the Council on Foreign Relations-sponsored Independent Task Force on Africa.

J. Stephen Morrison is Director of the Africa Program and the Task Force on HIV/AIDS at the Center for Strategic and International Studies (CSIS). He joined CSIS in January 2000 and in late 2001, launched the CSIS Task Force on HIV/AIDS. The task force is a multiyear project co-chaired by Senators Bill Frist (R-TN) and John Kerry (D-MA) and funded by the Gates Foundation and the Catherine Marron Foundation. Dr. Morrison co-chaired the reassessment of the U.S. approach to Sudan that laid the basis for the Bush administration push for a negotiated peace settlement, and in the summer of 2002 he organized an energy expert mission to the Sudan peace negotiations in Kenya.

From 1996 through early 2000, Dr. Morrison served on the Secretary of State's Policy Planning Staff, where he was responsible for African affairs and global foreign assistance issues. In that position, he led the State Department's initiative on illicit diamonds and chaired an interagency review of the U.S. government's crisis humanitarian programs. From 1993 to 1995, Dr. Morrison conceptualized and launched USAID's Office of Transition Initiatives; he served as the office's first Deputy Director and created post-conflict programs in Angola and Bosnia. From 1992 until mid-1993, Dr. Morrison was the Democracy and Governance Adviser to the U.S. embassies and USAID missions in Ethiopia and Eritrea. He serves as the Co-Director of the Council on Foreign Relations-sponsored Independent Task Force on Africa.

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Princeton Lyman Ralph Bunche Senior Fellow and Director for Africa Policy Studies Keynote Speaker Council on Foreign Relations
J. Stephen Morrison Director of the Africa Program and Task Force on HIV/AIDS Keynote Speaker Center for Strategic and International Studies
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Japan's Security Strategy in the Post-9/11 World: Embracing a New Realpolitik

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In this book, Daniel Kliman argues that the years following September 11, 2001, have marked a turning point in Japan's defense strategy. Utilizing poll data from Japanese newspapers as well as extensive interview material, he chronicles the erosion of normative and legal restraints on Tokyo's security policy, and he notes that both Japanese elites and the general public increasingly view national security from a realpolitik perspective. Japan's more realpolitik orientation has coincided with a series of precedent-breaking defense initiatives: Tokyo deployed the Maritime Self-Defense Force to the Indian Ocean, decided to introduce missile defense, and contributed troops to Iraq's postconflict reconstruction.

Kliman explains these initiatives as the product of four mutually interactive factors. In the period after 9/11, the impact of foreign threats on Tokyo's security calculus became more pronounced; internalized U.S. expectations exerted a profound influence over Japanese defense behavior; prime ministerial leadership played an instrumental role in high-profile security debates; and public opinion appeared to overtake generational change as a motivator of realpolitik defense policies. However, the author rebuts those who exaggerate the nature of Japan's strategic transition. Evaluating potential amendments to Article 9, he demonstrates that Tokyo's defense posture will remain constrained even after constitutional revision.

Daniel M. Kliman is a 2004 graduate of Stanford University and CISAC's Interschool Honors Program in International Security Studies. This book grew from his undergraduate honors thesis.

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Nuclear Fuel Supply Assurance

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Michael May is emeritus professor Emeritus (research) in the Stanford University School of Engineering and a senior fellow with FSI. He is the former co-director of CISAC, having served seven years in that capacity through January 2000.

May is emeritus director of the Lawrence Livermore National Laboratory, where he worked from 1952 to 1988, with some brief periods away from the laboratory. While there, he held a variety of research and development positions, serving as director of the laboratory from 1965 to 1971. May was technical adviser to the Threshold Test Ban Treaty negotiating team; a member of the U.S. delegation to the Strategic Arms Limitation Talks; and at various times has been a member of the Defense Science Board, the General Advisory Committee to the AEC, the Secretary of Energy Advisory Board, the RAND Corporation Board of Trustees, and the Committee on International Security and Arms Control of the National Academy of Sciences. He is a member of the Council on Foreign Relations and the Pacific Council on International Policy, and a Fellow of the American Physical Society and the American Association for the Advancement of Science.

May received the Distinguished Public Service and Distinguished Civilian Service Medals from the Department of Defense, and the Ernest Orlando Lawrence Award from the Atomic Energy Commission, as well as other awards. May's current research interests are in the area of safeguarding the nuclear fuel cycle, nuclear terrorism, energy, security and environment, and the relation of nuclear weapons and foreign policy.

Chaim Braun is a vice president of Altos Management Partners, Inc., and a CISAC science fellow and affiliate. He is a member of the Near-Term Deployment and the Economic Cross-Cut Working Groups of the Department of Energy (DOE) Generation IV Roadmap study. He conducted several nuclear economics-related studies for the DOE Nuclear Energy Office, the Energy Information Administration, the Electric Power Research Institute, the Nuclear Energy Institute, Non-Proliferation Trust International, and others.

Braun has worked as a member of Bechtel Power Corporation's Nuclear Management Group, and led studies on power plant performance and economics used to support maintenance services. Braun has worked on a study of safeguarding the Agreed Framework in North Korea, he was the co-leader of a NATO Study of Terrorist Threats to Nuclear Power Plants, led CISAC's Summer Study on Terrorist Threats to Research Reactors, and most recently co-authored an article with CISAC Co-Director Chris Chyba on nuclear proliferation rings. His research project this year is entitled "The Energy Security Initiative and a Nuclear Fuel Cycle Center: Two Enhancement Options for the Current Non-Proliferation Regime."

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Michael M. May

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Professor, Management Science and Engineering, Emeritus
FSI Senior Fellow
CISAC Faculty Member
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Michael May is Professor Emeritus (Research) in the Stanford University School of Engineering and a senior fellow with the Freeman Spogli Institute for International Studies at Stanford University. He is the former co-director of Stanford University's Center for International Security and Cooperation, having served seven years in that capacity through January 2000.

May is a director emeritus of the Lawrence Livermore National Laboratory, where he worked from 1952 to 1988, with some brief periods away from the Laboratory. While there, he held a variety of research and development positions, serving as director of the Laboratory from 1965 to 1971.

May was a technical adviser to the Threshold Test Ban Treaty negotiating team; a member of the U.S. delegation to the Strategic Arms Limitation Talks; and at various times has been a member of the Defense Science Board, the General Advisory Committee to the AEC, the Secretary of Energy Advisory Board, the RAND Corporation Board of Trustees, and the Committee on International Security and Arms Control of the National Academy of Sciences. He is a member of the International Institute on Strategic Studies, and a Fellow of the American Physical Society and the American Association for the Advancement of Science.

May received the Distinguished Public Service and Distinguished Civilian Service Medals from the Department of Defense, and the Ernest Orlando Lawrence Award from the Atomic Energy Commission, as well as other awards.

His current research interests are nuclear weapons policy in the US and in other countries; nuclear terrorism; nuclear and other forms of energy and their impact on the environment, health and safety and security; the use of statistics and mathematical models in the public sphere.

May is continuing work on creating a secure future for civilian nuclear applications. In October 2007, May hosted an international workshop on how the nuclear weapon states can help rebuild the consensus underlying the Nuclear Non-Proliferation Treaty (NPT). Proceedings and a summary report are available online or by email request. May also chaired a technical working group on nuclear forensics. The final report is available online.

In April 2007, May in cooperation with former Secretary of Defense William J. Perry and Professor Ashton Carter of Harvard hosted a workshop on what would have to be done to be ready for a terrorist nuclear detonation. The report is available online at the Preventive Defense Project. A summary, titled, "The Day After: Action Following a Nuclear Blast in a U.S. City," was published fall 2007 in Washington Quarterly and is available online.

Recent work also includes a study of nuclear postures in several countries (2007 - 2009); an article on nuclear disarmament and one on tactical nuclear weapons; and a report with Kate Marvel for the American Academy of Arts and Sciences on possible game changers in the nuclear energy industry.

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Preventing Nuclear Proliferation and Terrorism

A Systems Analysis of the A.Q. Khan Network (in plain English)

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This presentation is based on a paper written by Anne Platt Barrows, Paul Kucik, William Skimmyhorn and John Straigis.

Paul Kucik is a Major in the U.S. Army. He served in Aviation units in a series of assignments, including Company Command. He then served as Assistant Professor in the Department of Social Sciences at the United States Military Academy. He later served as analyst and as deputy director of the U.S. Army Office of Economic and Manpower Analysis. He has a Bachelor of Science degree in Economics from the United States Military Academy and a Master of Business Administration from the Massachusetts Institute of Technology.

Anne Platt Barrows is a Member of the Technical Staff in the Advanced System Deployments department at Sandia National Laboratories in Livermore, California. She focuses on facility protection, primarily on defending facilities against attacks with chemical agents. She holds a B.S. degree in Electrical Engineering and a B.A. in Ethics, Politics, and Economics from Yale University.

William Skimmyhorn is a Captain in the U.S. Army. He has served in Aviation units in a variety of assignments including Bosnia, Kosovo and two tours in Korea. His jobs have ranged from Platoon Leader to Liaison Officer to Troop Commander. He is currently a dual Master's Student at Stanford University studying International Policy and Management Science and Engineering. He has a Bachelor of Science Degree in Economics from the United States Military Academy.

John Straigis is currently working as a Systems Engineer at Lockheed Martin Space Systems Company in Sunnyvale, California. He just celebrated his second anniversary with the company, and is presently in Special Programs. Concurrently, he is completing his second Master's degree from Stanford University, in Management Science and Engineering, with a focus on Decision and Risk Analysis. His first Master's, before beginning his career at Lockheed Martin, was in Aero/Astro Engineering, also from Stanford. For undergraduate, he attended Rose-Hulman Institute of Technology, in Terre Haute, Indiana, receiving double degrees in Chemical Engineering and Mechanical Engineering. Outside of work and school, he enjoys several sports, particularly ice hockey, in which he is the starting goaltender for the Stanford ice hockey team.

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Paul Kucik PhD Candidate Speaker Department of Management Science and Engineering, Stanford
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Thinking inside the box needed to secure borders, write CISAC professor and colleague

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Lawrence M. Wein
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The president's border security and immigration reform proposals won't protect Americans from the gravest cross-border threat: the possibility that a ship, truck or train will one day import a 40-foot cargo container in which terrorists have hidden a dirty bomb or nuclear weapon. To tackle this problem, policymakers need to think inside the box, write CISAC's Lawrence M. Wein and colleague Stephen E. Flynn in this New York Times op-ed.

This week President Bush will seek to focus the nation's attention on border security and immigration reform. But the president's proposals won't protect Americans from our gravest cross-border threat: the possibility that a ship, truck or train will one day import a 40-foot cargo container in which terrorists have hidden a dirty bomb or nuclear weapon.

The Bush administration maintains that it has a smart strategy to reduce this risk. A new 24-Hour Rule requires that importers report the contents of their containers to customs inspectors one day before the boxes are loaded on ships bound for the United States. The Department of Homeland Security's National Targeting Center then reviews the data, checking against other intelligence to determine which boxes may pose a threat. Although the containers deemed high risk are inspected at cooperating foreign ports or when they enter the United States, the rest--more than 90 percent--land here without any perusal.

We have two concerns about this strategy. First, it presumes that the United States government has good enough intelligence about Al Qaeda to reliably discern which containers are suspicious and which are not. But our inability to thwart the attacks in Iraq demonstrates that we lack such specific tactical intelligence. And supporting customs inspectors, who must make the first assessment of risk, is not a priority for the intelligence agencies. Inspectors must rely on their experience in spotting anomalies--a company that claims to be exporting pineapples from Iceland, for example.

Second, determined terrorists can easily take advantage of the knowledge that customs inspectors routinely designate certain shipments as low risk. A container frequently makes 10 or more stops between its factory of origin and the vessel carrying it to American shores. Many of the way stations are in poorly policed parts of the world. Because name-brand companies like Wal-Mart and General Motors are widely known to be considered low-risk, terrorists need only to stake out their shipment routes and exploit the weakest points to introduce a weapon of mass destruction. A terrorist cell posing as a legal shipping company for more than two years, or a terrorist truck driver hauling goods from a well-known shipper, can also be confident of being perceived as low risk.

So what needs to be done? A pilot project under way in Hong Kong, the world's largest container port along with Singapore, offers one piece of a potential solution. At an estimated cost of $7 per container, new technology can photograph the box's exterior, screen for radioactive material, and collect a gamma-ray image of a box's contents while the truck on which it is carried moves at 10 miles per hour.

Terrorists can defeat radiation sensors by shielding a dirty bomb with dense materials like lead. But by combining those sensors with gamma ray images, the Hong Kong system allows inspectors to sound the alarm on suspiciously dense objects. Inspectors would need to analyze enough of the scans--perhaps 20 percent to 30 percent--to convince terrorists that there is a good chance that an indistinct image will lead a container's contents to be sent for more reliable X-ray or manual examinations. Images of container contents would then be reviewed remotely by inspectors inside the United States who are trained to spot possible nuclear weapons.

If terrorists were to succeed in shipping a dirty bomb, for example, the database of these images could serve as a kind of black box--an invaluable forensic tool in the effort to identify how and where security was breached. That information could help prevent politicians from reacting spasmodically and freezing the entire container system after an attack.

Such a program could significantly reduce the likelihood that terrorists will smuggle plutonium or a dirty bomb through American ports. But it still would not stop a terrorist from importing highly enriched uranium, which can be used to construct a nuclear weapon. Lengthening the time that a container is screened for radiation would help, and this could be done without increasing waiting times if additional monitors were added to the Hong Kong system near the gate where the trucks must already stop for driver identification checks. Better still would be for the Department of Homeland Security to make the development of new technology that can recognize the unique signature of highly enriched uranium an urgent priority.

Finally, we must find ways to ensure that terrorists do not breach containers before shipments arrive at loading ports. Sensors should be installed inside containers in order to track their movements, detect any infiltration and discern the presence of radioactive material. Where boxes are loaded, certified independent inspectors should verify that companies have followed adequate protocols to ensure that legitimate and authorized goods are being shipped.

Taken together, these recommendations will require new investments and an extraordinary degree of international cooperation. But increased container security will not only help the United States prevent terrorism, it will also help all countries reduce theft, stop the smuggling of drugs and humans, crack down on tariff evasion and improve export controls. What's more, such a program would require an investment of just one one-hundredth of the capital that could be lost if we shut down the global container shipping system after an attack.

Container security is a complex problem with enormous stakes. American officials insist that existing programs have matters well in hand. But we cannot afford to take these perky reassurances at face value while the same officials fail to embrace promising initiatives like the Hong Kong pilot project.

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Siegfried S. Hecker

CISAC
Stanford University
Encina Hall, C220
Stanford, CA 94305-6165

(650) 725-6468 (650) 723-0089
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Siegfried S. Hecker is a professor emeritus (research) in the Department of Management Science and Engineering and a senior fellow emeritus at the Freeman Spogli Institute for International Studies (FSI). He was co-director of CISAC from 2007-2012. From 1986 to 1997, Dr. Hecker served as the fifth Director of the Los Alamos National Laboratory. Dr. Hecker is an internationally recognized expert in plutonium science, global threat reduction, and nuclear security.

Dr. Hecker’s current research interests include nuclear nonproliferation and arms control, nuclear weapons policy, nuclear security, the safe and secure expansion of nuclear energy, and plutonium science. At the end of the Cold War, he has fostered cooperation with the Russian nuclear laboratories to secure and safeguard the vast stockpile of ex-Soviet fissile materials. In June 2016, the Los Alamos Historical Society published two volumes edited by Dr. Hecker. The works, titled Doomed to Cooperate, document the history of Russian-U.S. laboratory-to-laboratory cooperation since 1992.

Dr. Hecker’s research projects at CISAC focus on cooperation with young and senior nuclear professionals in Russia and China to reduce the risks of nuclear proliferation and nuclear terrorism worldwide, to avoid a return to a nuclear arms race, and to promote the safe and secure global expansion of nuclear power. He also continues to assess the technical and political challenges of nuclear North Korea and the nuclear aspirations of Iran.

Dr. Hecker joined Los Alamos National Laboratory as graduate research assistant and postdoctoral fellow before returning as technical staff member following a tenure at General Motors Research. He led the laboratory's Materials Science and Technology Division and Center for Materials Science before serving as laboratory director from 1986 through 1997, and senior fellow until July 2005.

Among his professional distinctions, Dr. Hecker is a member of the National Academy of Engineering; foreign member of the Russian Academy of Sciences; fellow of the TMS, or Minerals, Metallurgy and Materials Society; fellow of the American Society for Metals; fellow of the American Physical Society, honorary member of the American Ceramics Society; and fellow of the American Academy of Arts and Sciences.

His achievements have been recognized with the Presidential Enrico Fermi Award, the 2020 Building Bridges Award from the Pacific Century Institute, the 2018 National Engineering Award from the American Association of Engineering Societies, the 2017 American Nuclear Society Eisenhower Medal, the American Physical Society’s Leo Szilard Prize, the American Nuclear Society's Seaborg Medal, the Department of Energy's E.O. Lawrence Award, the Los Alamos National Laboratory Medal, among other awards including the Alumni Association Gold Medal and the Undergraduate Distinguished Alumni Award from Case Western Reserve University, where he earned his bachelor's, master's, and doctoral degrees in metallurgy.

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Is the United States Feeding the Nuclear Fire in South Asia?

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Zia Mian, a research assistant with the Program on Science and Global Security (PS&GS) at Princeton University and lecturer of public and international affairs at the Woodrow Wilson School, has been with PS&GS since 1997. His interests include nuclear weapons and nuclear energy programs in South Asia, and finding alternative policies that can contribute to disarmament and sustainable development. With Dr. Pervez Hoodbhoy, Mian co-produced Crossing the Lines, a documentary film about India, Pakistan, and the battle over Kashmir, which was shown at CISAC this past summer. He has edited and co-edited a number of books on South Asia, including Out of the Nuclear Shadow (co-edited with Smitu Kothari; Zed Press, London and Rainbow Press, New Delhi, 2001). Mian has also co-edited a volume with Iftikhar Ahmad and Dohra Ahmad, Between Past and Future: Selected Essays on Pakistan by Eqbal Ahmad (Oxford University Press, Karachi).

Reuben W. Hills Conference Room

Zia Mian Research Assistant, Program on Science and Global Security, and Lecturer, Woodrow Wilson School of Public and International Affairs Speaker Princeton University
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