Radical Shiite cleric Muqtada al-Sadr prays in the holy Shiite city of Kufa 160 kilometers (100 miles) south of Baghdad on Friday, May 25,2007. Al-Sadr appeared in public for the first time in months on Friday, delivering a fiery anti-American sermon to thousands of followers and demanding U.S. troops leave Iraq. (AP Photo/Alaa al-Marjani)