Christopher Preble

Julian Zelizer, professor of history and public affairs at Princeton University and the author of Governing America: The Revival of Political History and Christopher Preble, vice president for defense and foreign policy studies at The Cato Institute and author of several books including, The Power Problem: How American Military Dominance Makes Us Less Safe, Less Prosperous and Less Free, discuss how current Congressional Republicans' positions on war and defense spending have been influenced by the wars in Iraq and Afghanistan.