When Jason Moore heard about the shooting in a Fort Myers, Florida, nightclub that killed two and injured more than a dozen others, his reaction was immediate. He had the employees at his gun shop move roadside signs to just outside the club's parking lot that said: "We come to you, concealed weapon permit." The shooting early Monday morning happened after a party for teenagers was emptying out of Club Blu. Sean Archilles, 14, and Stef'An Strawder, 18, died. The... (GunPolicy.org)