Andrew J. Bacevich Jr. talks about his new book: After the Apocalypse: America's Role in a World Transformed

Andrew Bacevich is an American historian specializing in international relations and foreign policy. He is a Professor Emeritus of International Relations and History at Boston University. He is a retired Army Colonel. In his new book, After the Apocalypse: America's Role in a World Transformed, he writes that American foreign policy must change, "the threats are here at home... where we live"