I wonder how many people rang in Memorial Day this year sitting in a darkened room watching HBO's documentary of the slaughter of the World Trade Center and weeping. This was a different sort of Memorial Day; these are different times. It is hard to always remember really how different they are, and that catches and sometimes trips up even people whose business it is to be sensitive to fresh rhythms. The other day, reacting to not much of a story about not much of a warning that President Bush was given before Sept. 11, Democratic congressional leaders went a-shrilling...