Moqtada al-Sadr's moment? Iraqi cleric in show of force against Shiite rivals

As quickly as Baghdad erupted, Moqtada al-Sadr's supporters went home. All it took was a word from the leader, a demonstration of force by the populist Shiite cleric as protracted coalition-building in Iraq spills over into a power play with neighbouring Iran. Can Sadr stare down pressure from across the border? His umpteenth announcement on Monday that he was quitting politics was the signal for clashes that killed at least 30 people.