David Laitin is the James T. Watkins IV and Elise V. Watkins Professor of Political Science and a co-director of the Immigration Policy Lab at Stanford. He has conducted field research in Somalia, Nigeria, Spain, Estonia and France. His principal research interest is on how culture – specifically, language and religion – guides political behavior. He is the author of “Why Muslim Integration Fails in Christian-heritage Societies” and a series of articles on immigrant integration, civil war and terrorism. Laitin received his BA from Swarthmore College and his PhD from the University of California, Berkeley.