Energy Secretary nominee Ernest Moniz of Massachusetts, right, is sworn on Capitol 

Energy Secretary nominee Ernest Moniz of Massachusetts, right, is sworn on Capitol Hill in Washington, Tuesday, April 9, 2013, prior to testifying before a Senate Energy and Natural Resources hearing on his nomination. At left is former New Mexico Sen. Jeff Bingaman, who once chaired the committee, and helped in introducing Moniz to the committee.  (AP Photo/Manuel Balce Ceneta)
Associated Press
Energy Secretary nominee Ernest Moniz of Massachusetts, right, is sworn on Capitol Hill in Washington, Tuesday, April 9, 2013, prior to testifying before a Senate Energy and Natural Resources hearing on his nomination. At left is former New Mexico Sen. Jeff Bingaman, who once chaired the committee, and helped in introducing Moniz to the committee. (AP Photo/Manuel Balce Ceneta)
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