John Ensign received his Doctor of Veterinary Medicine degree in 1985 and began his veterinary practice in Las Vegas. His political career began in 1994 when he won the Republican nomination for Nevada’s 1st Congressional District in Las Vegas, re-elected in 1996. Defeated by Harry Reid (D-NV) in 1998 for a seat in the U.S. Senate, but successful in 2000 and re-elected in 2006. Resigned with the disclosure of his extramarital affair in May 2011, amid an ongoing ethics investigation. Ensign...