John Ensign
John Eric Ensign (born March 25, 1958) is an American veterinary physician and former politician. He was a United States Senator from Nevada, serving from January 2001 until he resigned amid an investigation of an ethics violation in May 2011. He is a member of the Republican Party and the former chairman of the Senate Republican Policy Committee. Ensign renewed his practice as a veterinarian and works at Boca Park Animal Hospital.