Stathis N. Kalyvas is Arnold Wolfers Professor of Political Science at Yale, where he directs the Program on Order, Conflict, and Violence. He has taught at the University of Chicago, New York niversity, and Ohio State University, and has been a visiting professor at the Juan March Institute in Madrid. He is the author of The Rise of Christian Democracy in Europe (1996) which was awarded the J. David Greenstone Prize for the best book in politics and history. He has also received the Gregory Luebbert Award for the best article in comparative politics, and has been a grant recipient of the Harr...