Distillation towers, tanks and other equipment at Sunoco's sprawling refinery on the banks of the Schuylkill River on Aug. 3, 2009. Sunoco is selling off two refineries and, in September, announced it would get out of the refining business. Richard Richtmyer/AP hide caption

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House Minority Leader Rep. Nancy Pelosi talks to reporters in the U.S. Capitol on Friday. Pelosi was critical of Speaker John Boehner and the GOP leadership for recessing the House without passing extensions of the payroll tax cut and unemployment benefits, both set to expire at the end of the year. Chip Somodevilla/Getty Images hide caption

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Former U.S. Sen. Rick Santorum greets voters this summer in Iowa. The Republican presidential hopeful has spent most of his professional life in politics. Chip Somodevilla/Getty Images hide caption

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A woman casts her ballot during early voting in Toledo, Ohio. Members of the silent generation are more likely to vote for Republicans than for Democrats, according to a recent study by the Pew Research Center. J.D. Pooley/Getty Images hide caption

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Union posters can be found all over the Occupy Philadelphia protest site near City Hall. Protesters and local union leaders meet regularly to discuss tactics and how to involve labor.

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