Any zone that is "gun free" merely because somebody said so is a perfect place to wreak mayhem. History proves that school campuses are a prime example. It's like the shooter already knows that he won't be met with any kind of resistance that's going to stop him.

Again, I like to use real examples. So, consider for example the "gun free zone" of Virgnia Tech. At the height of arrogance, the shooter (who I choose not to name) chain locked the doors of the building. He knew at that point it would be like fishing in a bucket. Do you really think the shooter would do something like that (chain lock the doors) if he knew at least one person in every class was packing?