John M. Owen, IV, is an Associate Professor in the Department of Politics at the University of Virginia. He is the author of Liberal Peace, Liberal War: American Politics and International Security (Cornell, 1997), as well as of articles in Foreign Affairs, International Security, International Organization, International Studies Quarterly, Internationale Politik und Gesellschaft, The National Interest, and Perspectives on Politics, and of chapters in several edited volumes. He is a member of the editorial board of International Security. Owen is currently completing a book manuscript titled Clashes of Ideas in World Politics: Ideologies, Alignments, and Regime Change, 1500-2000. He earned a Ph.D. from Harvard University and an MPA from Princeton University, is a faculty fellow at the University of Virginia's Institute for Advanced Studies in Culture, and has held fellowships at Harvard, Stanford, Princeton, and Oxford universities.