This time, the Supreme Court may have to decide what the Second Amendment means. But how much will really change? “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.” U.S. Constitution, Amendment II Earlier this year, a three-judge panel of the U.S. Court of Appeals for the D.C. Circuit struck down the District of Columbia’s stringent gun-control regulations, ruling squarely that the Second Amendment protects an individual’s right to bear arms. In the cultural and legal battle over gun control, the decision...