“There is no question that the Islamic State will be defeated in Mosul; the real question is what comes afterward. Can the post-Islamic State effort resolve the squabbling likely to arise over numerous issues and bring lasting stability to one of Iraq's most diverse and challenging provinces? Failure to do so could lead to ISIS 3.0.”

American Army general and CIA director

David Howell Petraeus is a retired United States Army general and former CIA director. He served from 2011 to 2012 as the agency’s fourth director, after a 37-year military career. Before leading the CIA, Petraeus held several senior Army commands. He led U.S. and coalition forces in Iraq as commanding general of Multi-National Force, Iraq, then served as commander of U.S. Central Command and later as commander of the International Security Assistance Force and U.S. Forces, Afghanistan.