Following the results of the 2010 state elections, the state constitution was amended to limit the lieutenant governor to no more than two terms, consecutive or not.
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Corn announced on January 21, 2009, he would seek the Oklahoma Democratic Party's nomination for Lieutenant Governor of Oklahoma as part of the 2010 state elections.
However, his independent candidacy siphoned off enough votes from Lieutenant Governor Jack Mildren, the Democratic candidate, to allow Frank Keating, a Reagan administration official, to become only the third Republican governor in Oklahoma history.