Dirk Arthur Kempthorne (born October 29, 1951 in San Diego, California), was the U.S. Secretary of the Interior, who served under President George W. Bush from 2006–2009. A Republican, Kempthorne previously served as the 30th Governor and as a U.S. Senator from Idaho. He is reportedly exploring a bid for the Republican Presidential nomination in 2012.
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Dirk Kempthorne is a conservative who was a U.S. senator from Idaho, 1993-’99; governor of Idaho, 1999-’05; and U.S. Secretary of the Interior, 2005-’09.