"I personally think we need a cooling-off period." [More]You may just guarantee several with that attitude. And since when is what you personally think a claim on the rights of others? I don't suppose confining it to how you personally conduct yourself and leave everybody else the hell alone is an option with you?
Let's see, we had a bunch of murders in a "gun-free" zone, so the solution is to make sure they stay that way, at least for people inclined to obey such edicts.