Dr. Charles A. Stevenson teaches courses in American foreign policy at the Nitze School of Advanced International Studies (SAIS), Johns Hopkins University. Previously, he was a longtime professor at the National War College, where he directed the core course on the interagency process for national security policy. He has executive branch experience, including service on the Secretary of State's Policy Planning Staff, and served for 22 years as a Senate staffer on defense and foreign policy. He is the author of a study of the congressional role in major military operations, Congress at War ; a historical survey of U.S. civil-military relations, Warriors and Politicians ; and a comparative… analysis of U.S. Secretaries of Defense, SecDef. He was a member of the Project on National Security Reform and headed its working group on Congress. He has an AB and PhD from Harvard.