Arming classrooms is a direct solution to only the most visible problem. This is like doing the 5 Whys (http://en.wikipedia.org/wiki/5_Whys http://en.wikipedia.

Arming classrooms is a direct solution to only the most visible problem. This is like doing the 5 Whys (http://en.wikipedia.org/wiki/5_Whys http://en.wikipedia.org/wiki/5_Whys), but stopping after the first one. Underlying causes will continue, requiring increasingly drastic counter measures at superficial levels.