“You don’t roll out a new product in August,” said President Bush’s aide, Andrew Card, apropos Iraq in the summer of 2002. But in this seventh September of a no longer new war a somewhat battered product is in need of a rebranding. It was launched in the days after 9/11 as a “war on terror,” an artful evasion deemed necessary on the grounds that a war on any enemy beginning with “Islamist,” “Islamo-,” or “Islamic” might give the impression we had some, ah, issues with Islam itself and only complicate things further with various “friends” like Mubarak and the...