Robert S. McNamara

Robert S. McNamara served as secretary of defense to Presidents Kennedy and Johnson, and is the author of In Retrospect: The Tragedy and Lessons of Vietnam, and co-author of Argument Without End: In Search of Answers to the Vietnam Tragedy.James G. Blight is professor of international relations (research) at the Watson Institute for International Studies at Brown University, and the author or editor of many books on U.S. foreign policy, including Argument Without End.