Ruth Marcus is deputy editor of the Washington Post and is a consistent voice for sanity and reason. In this article, she describes one of the worst federal court decisions ever. If this decision is upheld by the Supreme Court, we will all need guns to protect ourselves. Good news for the gun industry, bad news for public safety. Marcus wrote this article before the latest school shooting in Nashville, where three adults and three children were murdered. The killer was armed with three weapons, including an AR-15, which has no purpose except as a killing machine. Hunters don’t use it because it destroys what it kills.

She writes:

When the Supreme Court ruled in 2008 that the Second Amendment protects individuals’ right to gun ownership, it emphasized the ability “of law-abiding, responsible citizens to use arms in defense of hearth and home.” When it expanded that decision last year…