Thomas Stewart Udall (born May 18, 1948) is the senior United States Senator from New Mexico and a member of the Democratic Party. First elected to the Senate in 2008, he represented New Mexico's 3rd congressional district as a member of the United States House of Representatives from 1999 to 2009, and was the Attorney General of New Mexico from 1991 to 1999. A member of the Udall family, he is the son of Stewart Udall, the nephew of Mo Udall, and the cousin of Mark Udall. He is the current dean of New Mexico's Congressional Delegation. Wikipedia
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