David Vitter

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Sen. David Vitter (R-La.), center, speaks at a press conference about his proposed "Vitter Amendment" outside the U.S. Capitol Building, Washington, D.C., Monday, September 30, 2013. (Andrew Harnik/The Washington Times)

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Sen. David Vitter (R-La.), center, leaves after speaking at a press conference about his proposed "Vitter Amendment" outside the U.S. Capitol Building, Washington, D.C., Monday, September 30, 2013. (Andrew Harnik/The Washington Times)

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Sen. David Vitter (R-La.), center, leaves after speaking at a press conference about his proposed "Vitter Amendment" outside the U.S. Capitol Building, Washington, D.C., Monday, September 30, 2013. (Andrew Harnik/The Washington Times)

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Sen. David Vitter (R-La.), center, leaves after speaking at a press conference about his proposed "Vitter Amendment" outside the U.S. Capitol Building, Washington, D.C., Monday, September 30, 2013. (Andrew Harnik/The Washington Times)

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Sen. David Vitter (R-La.), center, speaks at a press conference about his proposed "Vitter Amendment" outside the U.S. Capitol Building, Washington, D.C., Monday, September 30, 2013. (Andrew Harnik/The Washington Times)

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Republican presidential candidate, former Massachusetts Gov. Mitt Romney, his wife Ann, center, and Gov. Bobby Jindal, R-La., right, talk with Sen. David Vitter, R-La., back to camera, during a tour of flooding caused by hurricane Isaac, Friday, Aug. 31, 2012, in Jean Lafitte, La. (AP Photo/Evan Vucci)

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ASSOCIATED PRESS A pay raise for Interior Secretary Kennth L. Salazar is being held up by Sen. David Vitter, Louisiana Republican, who is pressing for more energy exploration in the Gulf of Mexico and says Interior's policies are hurting energy workers.