Federal Reserve Chairman Ben S. Bernanke in a hearing of the Joint Economic Committee on Capitol Hill in June. Brendan Smialowski/AFP/Getty Images hide caption

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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." Chip Somodevilla/Getty Images hide caption

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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 hide caption

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Police wait for protesters to appear at a branch of Barclays Bank in London on July 4. Olivia Harris/Reuters/Landov hide caption

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