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.

Partners from the Islamic world are of particular importance. Indeed, they have huge incentives to be involved, as the ongoing struggles are generally not clashes between civilizations. Rather, what we are seeing is more accurately a clash within a civilization: that of the Islamic world.

The formulation of sound national policy requires finding the right overarching concepts.

David Petraeus Quotes