Former senior fellow for transatlantic relations.
Award-winning author, former State Department official, and staff member of the National Security Council. Professor of political science and international politics at George Washington University. Author of the book America Between the Wars (with Derek Chollet, PublicAffairs Books, June 2008) and the recent Council Special Report The Future of NATO (January 2010).EXPERTISE:
Transatlantic relations; U.S.-Russian relations; NATO; the European Union.