Bullshit. !#!#$^%@# I KNOW what I would do. There are some things you know about yourself, and there are some things you KNOW about yourself.
Yeah...Raptor, I have to agree with what Herc had to say here. You never know until the lead goes downrange. Any CQB instructor will tell you the same thing. I have spent time and money training for a time when I might have to draw my pistol but anyone, cop, soldier, etc...will tell you that its always different when you mean it and there is a live body downrange. Don't thump your chest unless you really know...which I assume you don't.
As far as the armed teacher argument is concerned...in keeping with my belief that weapons are tools, neither good or evil, there is nothing inherently wrong in possesing one in a school. That said, my problem has always been the standard we hold the user of that tool to. I have met many a concealed weapons carrier in my lifetime and quite frankly, most of them scare the hell out of me. They are not disciplined, usually not well trained and often more prone to bravado and chest thumping than the next guy. Because of this there are environments where higher standards need to be enforced...Should Joe Schmoe be able to carry while inbibing with friends at a bar...probably not...should the average teacher carry in a school...probably not. Training a few teachers as a response force and allowing them to carry, for example, is an idea that has merit and should be discussed.