. . "David B. Kopel -- of the Cato Institute -- thinks the NYC gun law is unconstitutional -- and the case of the famous football star, facing ruin, is just the place to prove it.Kopel concedes that Burress was an idiot to carry a gun in a sweatpants waistband (from which it slipped, so he grabbed it, pulling the trigger and shooting himself in the leg)." . .