The lower courts consistently point to one paragraph in particular from the Heller decision. Nothing in the opinion, Scalia wrote, shouldbe taken to cast doubt on longstanding prohibitions on the possession of firearms by felons and the mentally ill, or laws forbidding the carrying of firearms in sensitive places such as schools and government buildings, or laws imposing conditions and qualifications on the commercial sale of arms.This paragraph from the pen of Justice Scalia, the foremost proponent of constitutional originalism, was astounding. True, the Founders imposed gun control, but they had no laws resembling Scalia’s list of Second Amendment exceptions. They had no laws banning guns in sensitive places, or laws prohibiting the mentally ill from possessing guns, or laws requiring commercial gun dealers to be licensed. Such restrictions are products of the 20th century. Justice Scalia, in other words, embraced a living Constitution.

that is, the mere fact that a right is not mentioned in the Bill of Rights is neither proof nor evidence that it does not exist.