Christians feel they’re targets of extremists By Dusan Stojanovic Associated Press Source: The Augusta Chronicle DAMASCUS, Syria — Sami Amir is used to the deep, echoing rumble of Syr-ian army artillery pounding rebel positions on the outskirts of Damascus. It’s the thump of mortars launched from an Islamist-controlled neighborhood that scares him to death. Mortars have hit repeatedly in his mainly Christian district of Damascus, al-Qassaa, reportedly killing at least 32 people and injuring dozens of others the past two weeks. “You don’t know when and you don’t know where they hit,” says Amir, a 55-year-old Christian merchant. “Life here…