Yesterday when I saw the picture of the first fully 3D printed gun (I realize the firing pin is a nail and was not printed) I almost wept for joy. This is a first important step away from the dominance of the state over their citizens in many parts of the world. Americans enjoy the protection of Second Amendment, but many places that purport to be free countries have banned all guns outright or have made ownership so restrictive that getting a firearm is almost impossible. Other parts of the world are not so free as even that. Firearm ownership...