Here is a helpful profile of Muqtada al-Sadr, the Shiite politician-cleric who has been the main instigator of the violence against the American forces in Karbala, an Najaf, and elsewhere.
John Kerry may think al-Sadr's a "legitimate voice" in Iraqi affairs, but his countrymen mostly think he's a greenhorn who's just in it for the money and power. Add to that his well-documented connections to Iran and it's pretty clear that he is an example in dire need of being made.
All he really is now is a renegade with a murder warrant on his head. I hope the next few days will find him with a Marine's foot on his throat.