An agreement allowing U.S. forces to stay in Iraq for three years should be put to the public in a referendum, Iraq’s Sunni Arab vice president said on Tuesday. The pact, which will govern the U.S. presence in Iraq after a mandate from the U.N. Security Council expires at year’s end, “must not pass without approval from Iraqis,” Tareq al-Hashemi, who is one of Iraq’s two vice presidents, said in a statement.” Full Story