Roger D. Petersen holds B.A., M.A. and Ph.D. degrees in Political Science from the University of Chicago. Since 2001, he has taught in the Political Science Department at MIT, where he was recently named Arthur and Ruth Sloan Professor of Political Science. Petersen studies comparative politics with a special focus on conflict and violence, mainly in Eastern Europe, but also in Colombia and other regions. He is the author of Resistance and Rebellion: Lessons from Eastern Europe (Cambridge, 2001) and Understanding Ethnic Violence: Fear, Hatred, and Resentment in Twentieth-Century Eastern Europe...