EAST HAMPTON, N.Y. (AP) -- Democratic presidential candidate John Kerry on Saturday night urged President Bush to "stand up and stop" what he called personal attacks on him over his combat record in Vietnam. At a fund-raiser attended by about 750 people, Kerry said the attacks by a group of Vietnam veterans and former Swift Boat commanders have intensified "because in the last months they have seen me climbing in America's understanding that I know how to fight a smarter and more effective war" against terrorists. "That's why they're attacking my credibility. That's why they've personally gone after me. The...