2nd amendment
A well regulated Militia, being necessary to the security of a free state, the right of the people to keep and bear Arms, shall not be infringed
That doesn't mean everyone buy guns and shoot each other which is what seems to be happening on a regular basis.
Various rulings and judicial interpretations have led from a practical way to defend your country (but that is what you have armed forces for) to the carnage that shows no signs of diminishing so long as any nut job can buy an assault rifle - but its OK, it keeps the American gun industry going
