When Barack Obama two years ago joked at the White House Correspondents’ Dinner that potential suitors of his two daughters might have to deal with Predator drones (“But boys, don’t get any ideas. Two words for you: Predator drones. You will never see it coming.”), the liberal crowd roared. That failed macabre joke would have earned George W. Bush a week of headline condemnation from the New York Times and the Washington Post. Obama, in fact, has increased those judge/jury/executioner targeted assassinations tenfold during his tenure. But apparently, the combination of Obama’s postracial “cool” and the video-game nature of such...