Richard A. Falkenrath is Assistant Professor of Public Policy at Harvard's Kennedy School of Government. He served as Executive Director of the Belfer Center for Science and International Affairs (BCSIA) and, before that, as a Research Fellow. He is the author and co-author of Shaping Europe's Military Order (1995), Avoiding Nuclear Anarchy (1996), America's Achilles' Heel: Nuclear, Biological, Chemical Terrorism and Covert Attack (1998), and numerous journal articles and chapters of edited volumes.