Schools across the country have been trying various ideas for preparing children in the event of a mass shooting, including simulating drills using the sound of actual gunfire.

The sound of gunshots echoed in the hallways at Cary-Grove High School on Wednesday as school officials used starter guns to add realism to a "code red lockdown drill."

The training exercise at the McHenry County school alarmed some parents and mental health professionals, who questioned whether the fake gunfire would generate more paranoia about school shootings, which remain statistically rare though widely publicized.

Asd well-intentioned as these drills might be, aren't they really the 2013 version of this classic preparedness campaign?  Watch it here: http://www.youtube.com/watch?v=89od_W8lMtA