Steven Metz is the author of “Iraq and the Evolution of American Strategy.” In addition to having been on the faculty of the Air War College, the U.S. Army Command and General Staff College, and several universities, he has been an adviser to political campaigns and elements of the intelligence community; served on national security policy task forces; testified in both houses of Congress; and spoken on military and security issues around the world. He is the author of more than 100 publications, including articles in journals such as Washington Quarterly, Joint Force Quarterly, The National Interest, Defence Studies and Current History. You can follow him on Twitter @steven_metz.