Saddam Hussein was hanged Dec. 30, 2006, after an Iraqi tribunal found him guilty of crimes against humanity. Get background, photos and video about Hussein's rise to power and ultimate fall.
Radical Shiite cleric Moqtada al-Sadr's organization of social, religious, political and military programs have become the strongest force in Iraq after the United States, whose presence they vehemently oppose.
BAGHDAD, July 9 -- Attacks in northern Iraq and Baghdad on Thursday left at least 50 people dead and many more wounded, raising fears about Iraqi forces' ability to maintain security after most U.S. combat troops withdrew from urban areas last week.
A recent spike in violence in Iraq is prompting senior defense officials to ask whether the gradual withdrawal of U.S. troops from Iraqi cities over the past several months has provided an opening to extremist groups eager to spark sectarian attacks between Sunnis and Shiites.