A campaign rally at a ramshackle old soccer stadium on Friday afternoon began with open-air theater that crossed centuries of Shiite lore, from the martyrdom of a revered religious figure to the fight today against Sunni extremists, played by actors dressed as fighters for the Islamic State of Iraq and Syria, a radical Islamist group. It ended with an outbreak of violence, three explosions, one after the other, in the parking lot, as thousands of people were leaving: a car bomb, a suicide bomber and a roadside bomb. More than 30 people were killed and many others wounded in an attack that the Islamic State of Iraq and Syria said in a statement it had carried out. The bombings struck a rally held by a Shiite militant group, Asaib Ahl al-Haq , that is trying to transform itself into a political force by fielding candidates in Iraq’s […]