The words popularly used to characterize the war in Iraq were "cakewalk" and "victory." From the beginning, war supporters here liked to say it would be a cakewalk, which it wasn't, but also a victory, which it surely was. Our military men and women deserve great credit for their courage, imagination and decency in a wildly ambivalent theater of war. But there is a new word to apply to the next phase of the war, and it is an elusive one. The word is "legitimacy," and the success of occupation will depend upon its political application within Iraq. Consider the...