Hal Brands is Associate Professor of Public Policy and History at Duke University. He is the author of What Good is Grand Strategy? Power and Purpose in American Statecraft from Harry S. Truman to George W. Bush, Making the Unipolar Moment: U.S. Foreign Policy and the Rise of the Post Cold War Order, Latin America's Cold War, and From Berlin to Baghdad: America s Search for Purpose in the Post Cold War World, and coeditor of The Power of the Past: History and Statecraft. During 2015 2016, he is also a Council on Foreign Relations International Affairs Fellow working at the Department of Defens...