By Alek Arend An old, and frankly strange, story about Tom Landry is going viral this Monday. On this day in 1984, Landry testified as a character witness at the criminal trial of former Dallas Cowboys quarterback Danny White. White was there in the first place because he was charged with misdemeanor assault for slapping a 17-year-old named John Michael Clark. He claims it was self defense. The situation stemmed from a driving incident. White claims he attempted to pass Clark on a two-lane road, but Clark played a “dangerous” game of speeding up and slowing down to prevent White from returning…