Unless you live at the bottom of a well, you've probably noticed that 9/11 and Iraq have had a transforming effect on the American Right. The short formulation is that so-called neoconservatism has triumphed. In 1999, Republicans bitterly opposed U.S. action against a rogue state in Central Europe; in 2000, their presidential nominee ran on an inward-looking, reactive, "humble" foreign policy. All of that is history now. It is hard to find a conservative who does not believe, as the neocons do, in robust and pre-emptive American action against tyrants and terrorists. That change is, I believe, a watershed, akin...