Vehicles drive by the US Treasury Building in Washington on November 15, 2011. With President Barack Obama heading back to Washington, Republicans heaped pressure on Democrats on Wednesday to lay out

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Vehicles drive by the US Treasury Building in Washington on November 15, 2011. With President Barack Obama heading back to Washington, Republicans heaped pressure on Democrats on Wednesday to lay out an 11th-hour deal preventing taxes from rising for all Americans.

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