 Of those ten, only James E. Hamilton of Poteau, Oklahoma, and Cal Hobson of Lexington, Oklahoma, served only one full single term.Hamilton was an unsuccessful candidate for the United States Senate in 1980, and he eventually returned to politics as a state representative, where he chaired the appropriations committee.Hobson won reelection to the office of president pro tempore, but resigned shortly thereafter when the Oklahoma Senate Democratic Caucus voted to allow him to resign or be ousted due to alcohol abuse during the 2005 legislative session.