About the Speakers: 
Barry Posen is Ford International Professor of Political Science at MIT and the director of MIT's Security Studies Program. His most recent book is "Restraint: A New Foundation for U.S. Grand Strategy" (Cornell University Press, 2014).

Frank Gavin is the first Frank Stanton Chair in Nuclear Security Policy studies and Professor of Political Science at MIT. He is the author of many books including "Nuclear Statecraft: History and Strategy in America's Atomic Age" (Cornell University Press, 2012). 

Stephen Walt is the Robert and Renee Belfer Professor of International Affairs. Among the books he has written is "Taming American Power: The Global Response to U.S. Primacy" (W. W. Norton & Company, 2005).