“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.” The Second Amendment to the U.S. Constitution guarantees what may be the most uniquely American of all rights. Those 27 words have inspired millions of words in thousands of debates over the Amendment’s meaning and what, if any, limits may apply. There is no question that firearms played a pivotal role in the birth and growth of the United States of America. From the Pilgrims’ matchlock muskets and the six shooters carried by cowboys, to the modern semiautomatic rifles wielded by Korean business owners in the Los Angeles riots of 1992, guns are an integral part of American culture....