A bomb attack on a U.S. convoy killed one U.S. soldier and wounded two in Iraq Tuesday, as tension simmered among feuding ethnic groups in the north of the country and Shi’ite factions in the south. A U.S. Army spokeswoman said the convoy was attacked on a highway between the restive Sunni Muslim towns of Falluja and Ramadi, hotbeds of resistance against occupying American forces. Roadside bombs and improvised mines have been widely used to target vulnerable U.S. convoys in Iraq. The attack brought to 65 the number of soldiers killed since Washington declared major combat over on May 1. Persistent guerrilla ambushes, and last week’s devastating truck bomb attack on the United Nations headquarters in Baghdad that killed at least 23, have led to calls for a wider U.N. role and more troops on the ground. But Defense Secretary Donald Rumsfeld said Monday that troop levels were adequate, though he would not hesitate to recommend boosting forces if it became necessary. Full Story