"In this context, monetary policy cannot be a panacea," Federal Reserve Chairman Ben Bernnake says. Jim Watson/AFP/Getty Images hide caption

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Contestants Ken Jennings, Brad Rutter and IBM's computer named Watson compete on Jeopardy! earlier this year. Carol Kaelson/Jeopardy Productions/AP hide caption

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Treasury Secretary Timothy Geithner has frequently warned about the dangers of not raising the nation's debt ceiling. Michael Nagle/Getty Images hide caption

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French Finance Minister Christine Lagarde is widely considered Europe's first choice for the now-vacant position of IMF chief. Jacques Brinon/AP hide caption

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Visitors enjoy Pillar Point Beach in Half Moon Bay, Calif. Marcio Jose Sanchez/AP hide caption

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