Iraq's Prime Minister Nuri al-Maliki speaks during the opening ceremony of the Iraqi crisis national operation center in Baghdad September 2, 2007. (Iraqi Government/Handout/Reuters)
Radical Shiite cleric Moqtada al-Sadr, seen here in 2006, has warned the Baghdad government of retaliation if it delays a probe into a gun battle in Karbala last week in which 52 people died.(AFP/File/Qassem Zein)