 And you know why no one challenged it? Because we spend more on defense than the next 25 countries combined. And behind that wall of military might, we live in the only place in the world where it is a right to say whatever you want under the First Amendment. And our founding fathers were so serious about it, in the Second Amendment, they enshrined the right to back it up with a gun. And we do. We own 50% of the world's firearms while representing less than 5% of the world's population. Why?