Pro-government security forces have launched a multi-pronged attack to retake Ramadi, tightening the military blockade around the city and setting the stage for a deeper assault. Iraqi leaders have been talking of an imminent operation to liberate Ramadi ever since it fell to the Islamic State (IS) militant group five months ago, without significant results . But for more than a month, the military dynamic has been shifting: Shia militias have been ordered to withdraw from the area, the Iraqi government has brought more Sunni tribal fighters into the al-Hashid al-Shabi (Popular Mobilization) program, and the U.S. military has provided extensive help […]