Fletcher:

My family and I frequently visit National Parks and we stay in the campgrounds, which are often crowded with other families with children. Every year I read stories of children who find their parent's gun and accidently shoot themselves or one of their friends. (When I was a kid, one of my cousins accidently shot himself in the leg with his dad's shotgun. He didn't die, but one of his legs is now substantially shorter than the other one.) I really won't feel safer knowing that some kid in a tent 15 feet from mine might start playing around with the handgun that he finds in his parents' tent or car. I feel much safer knowing that now any guns in National Parks must be locked and unloaded.