text: Radical Cleric Accepts Najaf Peace Plan NAJAF, Iraq - Radical Shiite cleric Muqtada al-Sadr accepted a peace plan Wednesday that would disarm his militia and remove them from their hideout in a revered shrine, raising hopes of resolving a crisis that has angered many of Iraq's majority Shiites and threatened to undermine the fledgling interim government.    But al-Sadr has made contradictory statements in the past, and aides to the cleric said he still wanted to negotiate details of the deal to end two weeks of fighting between his forces and U.S.-led troops...