Alexander Cooley is Associate Professor of Political Science at Barnard College and Columbia University's School of International and Public Affairs. He is the author of Logics of Hierarchy: The Organization of Empires, States, and Military Occupations, also from Cornell, cowinner of the 2006 Marshall Shulman Prize given by the AAASS. His writings on base-related issues have been published in the New York Times, International Herald Tribune and Foreign Affairs.