I’VE FALLEN AND I CAN’T GET UPBush support continues to plummethttp://www.msnbc.msn.com/id/16840614/site/newsweek[T]he state of the Bush administration is at its worst yet, according to the latest NEWSWEEK poll. The president’s approval ratings are at their lowest point in the poll’s history—30 percent—and more than half the country (58 percent) say they wish the Bush presidency were simply over