Richard A. Hamblen has lost his family and his fortune because he believes in the Second Amendment. In April of 2004, Mr. Hamblen, a former commander in the Tennessee National Guard, was arrested by agents of the Federal Bureau of Investigation (FBI) and the Bureau of Alcohol, Tobacco, and Firearms (BATF). Hamblen, who told the author that he’s never had so much as a traffic violation, was taken from his place of business and charged with the unlawful possession of nine unregistered machine guns. Hamblen was found guilty by a trial court and sentenced to 13 months in federal prison....