that we heard from the president shortly after this -- this horrific massacre took place was that perhaps things could have been a little bit differently if there had be security inside. let's quickly take a listen to what he said. >> this is case where if they had an armed guard inside, they might have been able to stop him immediately. maybe there would have been nobody killed except for him, frankly. so it's a very, very -- very difficult situation. >> now, we now know that rob bowers used an ar-15 assault-style weapon. in the past after mass shootings like this we've heard cries for renewed debate over gun control. the president there presumably not leaving any room for that debate. how do you respond to this notion that we should have more armed officers inside places like synagogues and in the past