“In my studies as an attorney and as a United States Senator, I have constantly been amazed by the indifference or even hostility shown the Second Amendment by courts, legislatures, and commentators. James Madison would be startled to hear that his recognition of a right to keep and bear arms, which passed the House by a voice vote without objection and hardly a debate, has since been construed in but a single, and most ambiguous Supreme Court decision, whereas his proposals for freedom of religion, which he made reluctantly out of fear that they would be rejected or narrowed beyond …