Reuters special report: U.S. enemy and friend of Iran?
Muqtada al-Sadr, the most powerful man in Iraq
Popular support for Muqtada al-Sadr, progeny of the famous Sadr political dynasty, is on the ascendant in Iraq. Leader of the main opposition Shia faction, Sadr is also no stranger to the corridors of power within the country. A man of many facets, dogmatic and pragmatic by turns. By John Davison & Ahmed Rasheed