MOSUL, Iraq - “Some of the people out there spit in our faces and others welcome us,” says a young Iraqi soldier newly deployed in Mosul, after the bodies of at least 10 of his fellow fighters were discovered in the northern city. Other soldiers confront Hussein Mohammed, 21, from the oil city of Kirkuk to the east, and urge him to stay quiet, as they start talking about their “duty to fight the terrorists who blow up innocent people.” “But it’s true, why should we pretend, a lot of people out there are not convinced yet about our role,”...