General Henry Knox, a Revolutionary War hero and U.S. Secretary of War in the country’s early days, was no stranger to political controversy. But the museum established at Montpelier, his home in Thomaston, seems like an unlikely site for an ideological flap generated by the attention of a national right-wing media watchdog. The General Henry Knox Museum is a private non-profit organization. It holds an annual fundraising gala that includes a guest speaker, dinner and reception. This year’s event is scheduled for July 28 at the Strand Theatre in Rockland and will feature a talk by Abderrahim Foukara, the Washington...