Muqtada al-Sadr. The Mahdi Army has suffered a significant blow during fighting against Iraqi and Coalition forces this year, according to an Iraq intelligence report. The heavy casualties sustained by the Mahdi Army have forced Muqtada al Sadr, the leader of the Mahdi Army and the Sadrist political movement, to change his tactics and disband the Mahdi Army in favor of a small, secretive fighting force. "More than 2,000 cadres from the Mahdi Army leaders were killed recently," an Iraqi intelligence official told the Gulf News. "This led to the almost complete collapse of the army," the official said....