Tom CoburnSenatorTom Coburn is a former business owner and practicing physician. He was first elected to the U.S. House of Representatives in 1994. A true citizen legislator, he honored his self-imposed term limits pledge and left Congress in 2001. The author f Breach of Trust , a congressional exposé,he returned to public service in 2004 after a successful campaign for the U.S. Senate. Read More Read Less