text: Militia, Shiite Leaders Bicker Over Shrine NAJAF, Iraq - Militants loyal to firebrand Shiite cleric Muqtada al-Sadr remained in control of a revered Shiite shrine at the center of the crisis in Najaf on Saturday, as they bickered with top Shiite religious leaders over how to hand the holy site over.    As the standoff dragged on, heavy clashes broke out for about 45 minutes near the cemetery and the Old City on Saturday afternoon between al-Sadr's militiamen and U.S...