Liberalism, War, and the Invention of “National Security”

 Andrew Preston is Professor of American History and a Fellow of Clare College at Cambridge University. His work focuses on war and foreign relations, including how it intersects with domestic politics and culture. He is the author or editor of seven books, including Sword of the Spirit, Shield of Faith: Religion in American War and Diplomacy (Knopf, 2012) and, most recently, American Foreign Relations: A Very Short Introduction (Oxford, 2019). He is currently writing a book on the idea of national security in American history as well as editing Volume 2 of The Cambridge History of the Vietnam War and Volume 3 of The Cambridge History of America and the World.