If we thought there was a backlash after the arrest of one of his aides, just wait until they take al-Sadr into custody.
http://apnews.myway.com/article/20040405/D81ONMPG0.html
"An Iraqi judge has issued a murder arrest warrant for a radical Shiite Muslim cleric, Muqtada al-Sadr, for the slaying of another Shiite leader, coalition officials said Monday.
...
"Al-Sadr and his supporters were responsible Sunday for some of the worst violence since the ouster of Saddam Hussein."