John Ensign, American physician and politician

John Eric Ensign is an American veterinarian and former politician who served as a United States Senator from Nevada from 2001 until his resignation in 2011 amid a Senate Ethics Committee investigation into his attempts to hide an extramarital affair. A member of the Republican Party, Ensign previously represented Nevada's 1st congressional district in the House of Representatives from 1995 to 1999, the only Republican to represent the district. Following his resignation from the Senate, Ensign returned to Nevada and resumed his career as a veterinarian.