Andrew J. Bacevich, Jr. (born 1947) is an American political scientist specializing in international relations, security studies, American foreign policy, and American diplomatic and military history. He is currently Professor of International Relations and History at Boston University. He is also a retired career officer in the Armor Branch of the United States Army, retiring with the rank of Colonel. He is a former director of Boston University's Center for International Relations (from 1998 to 2005) and author of several books, including American Empire: The Realities and Consequences of US Diplomacy (2002), The New American Militarism: How Americans are Seduced by War (2005) and The Limits of Power: The End of American Exceptionalism (2008). He has also appeared on television shows suc