WASHINGTON — A U.S. appeals court decision defying precedent on gun rights has reached the steps of the Supreme Court, carrying with it the potential for a seismic shift in laws across the nation. Since 1939, the nation's judges had generally regarded the Second Amendment right "to keep and bear arms" as belonging to state militias, such as National Guard units, not to individual gun owners. But on March 9, the U.S. Court of Appeals for the District of Columbia... (GunPolicy.org)