Peter R LavoyPeter R. Lavoy is Director, Counterproliferation Policy, Office of the Secretary of Defense, and Assistant Professor of National Security Affairs at the Naval Postgraduate School. Scott D. Sagan is Associate Professor of Political Science and Co-Diretor of the Center for International Security and Cooperation, Stanford University. James J. Wirtz is Professor of National Security Affairs, Naval Postgraduate School and author of The Tet Offensive: Intelligence Failure in War, also from Cornell. Read More Read Less