Peter Trubowitz is Professor of International Relations and Director of the Phelan United States Centre at the London School of Economics and an Associate Fellow at Chatham House. His research and commentary focus on international affairs, American politics and U.S. foreign policy. His books include Geopolitics and Democracy: The Western Liberal Order from Foundation to Fracture, Politics and Strategy: Partisan Ambition and American Statecraft, and Defining the National Interest: Conflict and Change in US Foreign Policy, which received the annual J. David Greenstone Book Prize. Before joining LSE, he was Professor of Government at the University of Texas at Austin.