Every so often, a public figure will speak a sentence that succinctly sums up his or her entire worldview in just a few words, exposing the core belief that is the wellspring of his or her every position on matters of consequence. Consider, for instance, Speaker of the House Nancy Pelosi’s recent assertion: "If we [the U.S. military] leave Iraq, then the insurgents will leave Iraq, the terrorists will leave Iraq." That sentence tells us virtually everything we really need to know about the workings of Nancy Pelosi’s mind.