Armed bystander almost shot hero that disarmed AZ shooter

Armed bystander almost shot hero that disarmed AZ shooter: "Maddow destroys GOP fantasy that more guns equals less violence Six people were killed and 14 more were injured when a gunman opened fire on an event outside a Tucson Safeway Saturday. The tragedy could have been even worse had an armed bystander not thought twice before shooting the hero that disarmed Jared Loughner, the [...]"