In the United States, the pendulum swings wide bearing the weight of a gun. Just one year ago, the nation found itself grappling with fresh grief following a mass shooting in which a gunman killed 20 children and six teachers in Newtown, Conn. It was another stroke in the drumbeat of tragedy ingraining a national vernacular centered on dateline — Columbine, Virginia Tech, Aurora. All were places where the semi-automatic weapon's innate purpose to briskly slaughter... (GunPolicy.org)