OK, gun control advocates, quiz time: How effective was the school "gun-free zone"? A. Not at all B. Not at all C. Not at all D. All of the above Next: Critics vilify National Knife Association for making knives so readily available. [/sarcasm] Oh, and there's this, too: Wouldn't want to attempt to make a judgment from 1,300 miles away, but he sounds like the kind of kid who would have brought a gun to school, once upon a time. But now they've got metal detectors, School Resource Officers, cameras, etc. So, instead, he brought a knife. And gun control advocates have always claimed "that wouldn't happen."