Remark Critics News Today

About that. >> the only thing that stops a bad guy with a gun is a good guy with a gun. >> reporter: following that remark critics pounced. >> there is really no evidence to support that argument, that arming the good guys is a good idea. >> reporter: after analyzing 62 mass shootings mother jones magazine concluded arming guards, teachers or citizens wont stop most gunman. >> in the last 30 years not a single shooting has been stopped by an armed citizen. >> reporter: some dispute that. >> i th...