MEXICO CITY — Over the Christmas holidays, Othón Cuevas Córdova, a Mexican congressman, had his life threatened, albeit in jest. His young nephew pointed a toy pistol that he had received as a gift at the lawmaker and said, "Tío, I'm going to kill you." Mr. Cuevas was not amused. He talked to the boy's parents about the inappropriateness of giving a child a weapon, even a plastic one, in a country so overrun with violence. And he sped up the introduction in... (GunPolicy.org)