Duck and cover as in the old nuclear drill?
Another worthless, pointless drill that just freaked everyone out.
If they want to have drills and learn to hide and lock doors and such.. that's fine.
I don't think firing blanks in the halls is necessary.

"If it turns out that President Barack Obama can make a deal with the most intransigent, hard-line, unreasonable, totalitarian mullahs in the world but not with Republicans? Maybe he’s not the problem."