File this under things I will torture my kids with should I ever have some:

Four times a week, 13-year-old Evan Spencer and his buddies rush to their Xboxes to play Call of Duty, the violent, popular sniper game set in the Second World War.

While some of his friends shoot enemies long after they're down, or spray bullets indiscriminately, Evan does not. He can't – or he'll violate the Geneva Conventions his parents insist he follow, and be cut off from the game he so dearly loves.