Oregon town reels from classroom carnage

By Eric M. Johnson and Courtney Sherwood ROSEBURG, Ore. (Reuters) - Residents of a quiet Oregon town struggled to comprehend the carnage left by the latest U.S. mass shooting as investigators puzzled over what drove a young gunman to kill nine people in a college classroom before he died in an exchange of gunfire with police. The gunman stormed into a classroom in Snyder Hall on campus, shot a professor at point-blank range, then ordered cowering students to stand up and state their religion bef