The Dec. 6 Forum editorial, “U.S. gun violence is a plague,†relies on a premise that is fundamentally false. The editorial make multiple claims that are contrary to FBI crime data. These are not differences of opinion, or complicated issues where reasonable people can have a respectful disagreement. No, the editorial makes claims of a statistical nature that are simply not supported by evidence. (Notably, the editorial offers no citations for any of its claims.) To wit, the editorial claims the following: “That gun violence is escalating.†“The record shows that current laws and attitudes about gun ownership have not...