Michael E. O'Hanlon is a senior fellow in Foreign Policy Studies at the Brookings Institution, where he holds the Sydney Stein Jr. Chair. His recent books include The Future of Arms Control (Brookings, 2005; with Michael A. Levi), Neither Star Wars nor Sanctuary (Brookings, 2004), and Crisis on the Korean Peninsula (McGraw Hill, 2003; with Mike Mochizuki).