Gunmen shoot a father in the head in front of his children. Grocers are gunned down in broad daylight. The killers don’t bother hiding their faces in the chaos of Amiriya. Hit squads roam freely in the mixed Sunni and Shi’ite western district of Baghdad, killing ordinary Iraqis in a campaign government officials fear will spark civil war. Mixed areas like Amiriya have become the most dangerous since January elections handed Shi’ites power and sidelined Sunnis once dominant under Saddam Hussein. Residents say nobody is safe anymore. Full Story