When a 72-year-old retired school teacher faces a 10 year felony sentence (a likely life sentence) for possession of an unloaded 18th century flintlock pistol, one knows immediately that we can only be talking about a handful of states in which such a travesty can happen. In this case, not surprisingly, it’s the “Garden State” of New Jersey. Gordon Van Gilder, who taught in the New Jersey school system for 34 years, is a collector of 18th century memorabilia. He acquired a genuine antique flintlock pistol from that era, and had it unloaded and wrapped in a cloth in his...