Ben Nelson, U.S. Senator

http://en.wikipedia.org/wiki/Ben_Nelson

Earl Benjamin "Ben" Nelson (born May 17, 1941) is an American politician and member of the Democratic Party who served as the 37th Governor of Nebraska from 1991 to 1999 and as a United States Senator from Nebraska from 2001 to 2013.

Nelson was an insurance executive before he entered politics. His first run for office was in 1990, when he narrowly defeated incumbent Republican Governor Kay A. Orr. He was re-elected by a landslide in 1994. He ran for an open U.S. Senate seat in 1996, losing in an upset to Republican Chuck Hagel. He was elected to Nebraska's other Senate seat in in 2000 and was re-elected in 2006. He did not run for a third term in 2012 and left the Senate in 2013.

Nelson was one of the most conservative Democrats in the Senate, frequently voting against his party.