"I came here to tell the truth, the good, the bad and the ugly," he said. "I am here to tell it all."
Congressional hearings have a high-stakes history →
Oliver North, retired Marine officer and fellow author, said Mr. Keene and Mr. Mason "have broken the code on the gun-grabbers' plot to make out Constitution's Second Amendment 'irrelevant.'
David Keene reveals Second Amendment battleground in new book 'Shall Not Be Infringed' →