It's a standing joke among the president's top aides: who gets to deliver the bad news? Warm and hearty in public, Bush can be cold and snappish in private, and aides sometimes cringe before the displeasure of the president of the United States, or, as he is known in West Wing jargon, POTUS. The bad news on this early morning, Tuesday, Aug. 30, some 24 hours after Hurricane Katrina had ripped through New Orleans, was that the president would have to cut short his five-week vacation by a couple of days and return to Washington. The president's chief of staff,...