The word crusade has coursed through American political debate from the beginning, with all manner of leaders—Thomas Jefferson to William Lloyd Garrison, John Brown to Wendell Willkie and FDR, Dwight Eisenhower to John McCain—adopting it as a de facto slogan. And it seems that each time a political figure characterizes a new reform as a crusade, the word’s meaning grows more tepid, more distorted, and more palatable, suggesting only an intense campaign rooted in moral righteousness. Perhaps this common usage is what sparked George W. Bush’s terrible gaffe on September 16, 2001, only five days after 9/11, when he proclaimed