Hi,

>>>How may lives would have been saved if some one in the crowd had a gun and knew how to use it this past Monday
>>
>>>Nah. If I was determined to kill indiscriminatly, a defensely security guards and people that are in line to be screened at a check point is good a place as any to start shooting.
>>
>>Slightly contradictory arguments there?

>>>How?

The first statement implies that if there had been another armed person nearby less people would have been killed. The second implies that it would make no difference....