 Whether deer do or do not wear Kevlar vests has nothing to do with the Second Amendment because it's not about hunting. And on point two, you could absolutely own a cannon when the Second Amendment was written. You could own a warship full of cannons at the time. You could still own a cannon, for that matter. And then, of course, he always drops back to, well, I taught constitutional law. No, he didn't. That's another lie.