Paul Ryan waves as he takes the stage at the Republican National Convention in Tampa, Fla., on Aug. 29. Ryan has been celebrated as a deficit hawk with bold vision, but some critics have called his record on deficit-reduction "dismal."
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House Budget Committee Chairman Paul Ryan, R-Wis., shakes hands with Federal Reserve Chairman Ben Bernanke at the close of the committee's hearing on the state of the economy in February 2011.
J. Scott Applewhite/AP