A law school professor explains a hidden danger of guns in schools

AP Photo/Douglas C. Pizac When I was in college at the University of Iowa in 1991, there was a mass shooting. A graduate student, upset that he had not received a coveted honor, walked into a university building and shot and killed the three professors on his dissertation committee. He also killed his fellow student, the one who had been selected for the honor. The gunman then walked several blocks to an administrative office and asked to speak with the dean of student affairs with whom he had ...