We all know people of towering arrogance and we all know people of staggering incompetence, but Barack Obama is quite possibly the perfect package. No one on the scene today combines these two qualities in quite the same way as Mr. Obama. On the incompetence side, and sticking just with the president's policies and record in the greater Middle East, there is Mr. Obama's mishandling of the rise of the Islamic State, which just last year he referred to as the "jayvee team" and just last week declared was "contained." Recall his threat to Syrian President Assad that if Assad...