Can guns stop crime? - News

Very good piece on CCW on collage campuses.....

Can guns stop crime? - News: "Can guns stop crime? Concealed-carry advocate thinks gun ban is a risk to student safety Kristin Snowberger"

I just don't understand the logic that a peaceful, law abiding, licensed, CCW holder should ever be bared from any place. I would like someone to site one example where this "NO GUNS" policy has protected anyone, ever..............