LOUISVILLE — Riots had broken out when Al Parsons was attending summer school at Louisiana State University soon after the Gun Control Act of 1968 passed, and someone was beating on his apartment door at midnight. "I looked at my buddy. I said, 'None of my friends are coming this time of night,'" Mr. Parsons said. "He says, 'Mine either.'" Mr. Parsons, a 67-year-old retiree from Indiana, said he had recently asked his father to purchase a pistol for him — a buy he... (GunPolicy.org)