...there is an alarm that can be pulled to summon the fire department. Perhaps we need another alarm system to summon the cops for catastrophic situation. Something that raises enough hell to wake up folks for miles around. They said the shooter killed himself when he heard the sirens and saw the lights. Give him a little nudge.
...air marshals are not on every airplane. We don't need armed guards in every school. Just here and there. Seems to have worked well so far. Surely the safety of school children is as important as the safety of the flying public.

Liberals are like a "Slinky". Totally useless, but somehow ya can't help but smile when you see one tumble down a flight of stairs!