Charles Glaser is a Professor of Political Science and International Affairs at George Washington University, where he codirects the Elliott School's Institute for Security and Conflict Studies. He specializes in international relations theory, nuclear weapons strategy and policy, and U.S. policy toward China. His most recent book is Rational Theory of International Politics (Princeton 2010).Austin Long is Vice Deputy Director for Strategic Stability in the Joint Staff J5 (Strategy, Plans, and Policy). His portfolio includes nuclear, space, missile defense, cyber, information integration, and arms control issues. He received his B.S. from the Georgia Institute of Technology and his Ph.D. from the Massachusetts Institute of Technology.Brian Radzinsky is a postdoctoral research fellow at the Center for Global Search Research at Lawrence Livermore National Laboratory. His work focuses on strategic assessments, nuclear deterrence and emerging technologies. He received a Ph.D. in political science from the George Washington University and a B.A. in political science from Reed College.