Christopher S. Chivvis is a senior political scientist at the RAND Corporation and teaches international history at the Paul H. Nitze School of Advanced International Studies at The Johns Hopkins University. Chivvis has served in the Office of the Secretary of Defense for Policy and worked for more than a decade on international security and political economic issues in the United States and Europe. He has written for several top policy and scholarly journals including Current History, International Affairs, the Journal of Contemporary History, Foreign Policy, The National Interest, Survival, The Washington Quarterly, the International Herald Tribune, The Washington Times, the US News and World Report, The Christian Science Monitor and CNN.com.