Treasury Secretary Timothy Geithner as he arrived at the Capitol on Thursday for negotiations with congressional leaders. Alex Wong/Getty Images hide caption

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Grover Norquist, founder of Americans for Tax Reform and the man behind the pledge. Jim Watson /AFP/Getty Images hide caption

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Republican presidential candidate Mitt Romney speaks at a town hall meeting in Grand Junction, Colo., on July 10. Romney says he wants to sharply cut income tax rates, but that those cuts would be revenue-neutral. Nicholas Kamm/AFP/Getty Images hide caption

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Republican presidential candidate Mitt Romney speaks at a town hall meeting in Grand Junction, Colo., on July 10. Romney said he has "nothing hidden" in his taxes. Nicholas Kamm/AFP/Getty Images hide caption

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President Obama waves after signing the Affordable Care Act at the White House on March 23, 2010. Chip Somodevilla/Getty Images hide caption

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