Guns are the center of the Second Amendment to the U.S. Constitution. While the topic is clear, the amendment is fraught with ambiguity and has been subject to conflicting interpretations and often acrimonious debate. The sharp conflicts are everyday discussion topics, as gun-control advocates claim that firearms have a pivotal role in societal violence, and firearm enthusiasts clamor that restricting guns tramps on the intent and spirit of the Second Amendment. One of the strengths of the Constitution is its inherent flexibility. The framers understood that the document would be modified over time if it was to remain relevant. A...