A Christian church-affiliated university in St. Paul, Minn., has suspended a student after he raised questions about the campus ban on concealed weapons, and is ordering him to have a mental health evaluation before he can resume his education. The Hamline University case involves student Troy Scheffler, who, after the Virginia Tech massacre where a student shot and killed nearly three dozen others, suggested the killing spree might have been stopped if students had been allowed to carry concealed weapons. "Questioning administrators on controversial topics isn't going to be a threat even if the conversation involves guns," Robert Shibley, vice...