The Second Amendment is the provision in the Bill of Rights that seems to scare people the most. Why? The Second Amendment lays down the groundwork for the right to keep and bear arms. Specifically, it asserts that the right of the people to keep and bear arms is the only thing that can preserve a regulated militia, which is necessary to preserve liberty. And it cannot be infringed by other laws or federal officials. In other words, the Second Amendment is based on the fact that a free state, in order to be ensured with security, must trust a militia formed by the people and, obviously,...