One day, after the smoke over Baghdad clears, George w. Bush will again have to hear the questions that he has so far refused to answer. And then, no matter what the answers are, it will be too late to backtrack. The damage will have been done. Rep. Elijah Cummings, D-Maryland and the chair of the Congressional Black Caucus, may be one of the questioners. During a conference call last week, he said that he and other members of the caucus had been trying without success to meet with Bush. 'We need some questions answered;' he told the journalists on...