HOW easy will it be for the United States to win peace after the war? Not just in devastated Iraq but also in the comity of nations where, as French Foreign Minister Dominique de Villepin told the United Nations Security Council, the challenge is the choice between two visions of the world. One is a community of equal partners whose only touchstone is the battered UN. We glimpsed the other when the Soviet collapse inspired then-US president George Bush senior's New World Order. For former president Richard Nixon, the time had come to reset America's geopolitical compass. We have a...