John Bolton, President Bush's nominee for ambassador to the United Nations, desperately needs a haircut. It does not have to be a $600 Sally Hershberger cut. Bolton simply needs the basics. Tidy the curling, unruly locks at the nape of his neck, tame the volume at the crown, reel in the wings flapping above his ears, and broker a compromise between his sand-colored mop and his snow-colored mustache. He needs to do this, not because he should be minding the recommendations of men's fashion magazines or grooming experts but because when he settled in before the Senate Foreign Relations Committee...