BAGHDAD, Iraq, Oct. 19 — As Iraq confronts the possibility of a new war with the United States, its leaders appear to have concluded that they have one decisive advantage that they lacked during the countdown to the Persian Gulf war 12 years ago: this time, they seem convinced, the world is on their side and against the United States. "The world has abandoned America; it has become isolated," Saddam Hussein's No. 2 man, Izzat Ibrahim, boasted as he announced the result of this week's election: Iraqis, by official reckoning, had re-elected Saddam Hussein to his position of absolute power...