In the wake of the shootings at Virginia Tech and Northern Illinois University, a number of state legislatures are considering bills that would allow people to carry concealed weapons on college campuses. The author recently spoke at a conference on higher-education law, sponsored by Stetson University and the National Association of Student…

Following the mass shootings at Virginia Tech and Northern Illinois University, the author has repeatedly been asked, as a former director of the Student Counseling and Resource Service at the University of Chicago and clinical associate professor of psychiatry, two questions: "Could this have been prevented?" and "How can we ensure that it…