Having provoked Rush Limbaugh to come to the defense of antiwar activist Cindy Sheehan last week, I’m now thinking that perhaps I should ask Condoleezza Rice to appoint me her Middle East envoy. If Mr. Limbaugh and Ms. Sheehan can be brought together, after all, delivering peace to the world’s most bitterly divided region would surely be a cinch. Last Wednesday, a column I had written was posted on the Web site of the London Guardian. In it, I criticized Ms. Sheehan for what I considered her ardor for self-promotion, her presumptuous and callous disparagement of other bereaved parents who...