Liberals enjoy claiming that they are intellectuals, thrilled to engage in a battle of wits. This, they believe, distinguishes them from conservatives, who are religious fanatics who react with impotent rage to opposing ideas. As one liberal, Jonathan Chait, put the cliche in The New Republic: Bush is an "instinctive anti-intellectual" and his administration hostile to "fact-driven debate." In a favorable contrast, Clinton is "the former Rhodes scholar who relished academic debates." Showing his usual reverence for fact-checking, The New York Times' Paul Krugman says the Republican Party is "dominated by people who believe truth should be determined by revelation,...