Economist Joseph Stiglitz Interview [Getty Images]

Joseph Stiglitz, Nobel-prize winning economist, poses for a photograph following an interview in London, U.K., on Tuesday, Feb. 9, 2010. Nobel laureate Stiglitz said the prospect of a default by the U.S. or the U.K. is an 'absurd' notion constructed in financial markets. Photographer: Chris Ratcliffe/Bloomberg via Getty Images

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