Christopher Layne is University Distinguished Professor of International Affairs and Robert M. Gates Chair in National Security at the Bush School of Government and Public Service at Texas A&M University. His fields of interest are international relations theory, great power politics, US foreign policy, and grand strategy. Professor Layne has written two books: The Peace of Illusions: American Grand Strategy from 1940 to the Present (Cornell University Press, 2006) and (with Bradley A. Thayer) American Empire: A Debate (Routledge, 2006). His current book project, After the Fall: International Politics, U.S. Grand Strategy, and the End of the Pax Americana, is under contract with Yale University Press. Additionally, he has contributed extensively to the debates about international relations theory and American foreign policy in such scholarly and policy journals as International Security, International Studies Quarterly, International History Review, Security Studies, International Politics, Review of International Studies, Journal of Strategic Studies, The National Interest, Foreign Policy, The Washington Quarterly, World Policy Journal, and Orbis. Professor Layne has been a frequent contributor to The Atlantic, The New Republic, The Nation, Financial Times, New York Times, Los Angeles Times, Washington Post, and the Australian. He is a member of the Council on Foreign Relations and is a member of the Editorial Board of Security Studies. In May/June 2014, he was a visiting fellow at the Norwegian Nobel Institute in Oslo.