Nathan J. Brown is a professor of political science and international affairs at George Washington University. He is the author of four well-received books on Arab politics, the most recent being Palestinian Politics after the Oslo Accords: Resuming Arab Palestine (University of California Press, 2003). Amr Hamzawy is a distinguished Egyptian political scientist who previously taught at Cairo University and the Free University of Berlin. He is coeditor, with Marina Ottaway, of Getting to Pluralism: Political Actors in the Arab World (Carnegie, 2009).