I do not understand why you feel that having a handgun on your person forms a forcefield that makes you impervious to harm.
He's not. What he is saying is that with a gun, the people would have at least a fighting chance. Without one, they are most likely to meet the same fate as the four (my apologies in my earlier post forgetting that there were four) planes and passengers of 9/11.
That is what WE don't understand, why won't you at least give the people a fighting chance.
Wayne