In my mother's day, they had duck and cover. The air raid sirens
  would go off and they had to scramble under the desks. In my
  day, it was mock fire drills. Nowadays, it's lockdown. "Here's a
  situation where we're all gonna die. Listen to me if you want to
  live." is a message we start getting in school - and its also
  reinforced in fantasy situations in cartoons, but more the stuff
  they watch w...hen they're 7+ moreso than 4-6. "