Hundreds of followers of a radical Shiite cleric left a southern city Thursday to join a pro-Lebanon rally in Baghdad, the fount of the deepening enmity between Iraq’s Shiites and Sunnis. At least 13 people were killed or found dead in the latest sectarian and political violence in Iraq. Muqtada al-Sadr, a firebrand anti-U.S. cleric who commands a large militia, has called on his followers from around the country to congregate in Baghdad on Friday after the weekly prayers. Full Story