Evolving conflicts and unrest are reshaping the Middle East rapidly. The U.S. will continue to have key national interests at stake in this region even as challenges outside it demand greater American attention. ISW Board Member General (Ret.) David H. Petraeus joins Maseh Zarif to share his views on a range of issues, including the state of ISIS post-Baghdadi, Iran's regional campaigns, U.S. policy in the region, and the challenge of balancing among national security requirements globally.