Here’s a Way to Control Guns

NEARLY three years ago, in the days after the mass killings at Sandy Hook Elementary School, President Obama went to Newtown, Conn., to speak at a vigil for the victims. He spoke movingly, and seemed to embody the nation’s outrage and its determination to reduce the number of people killed with guns in America. “Do not lose heart,” he told the families of the victims. He said he would use “whatever power this office holds.”