President Obama delivers his State of the Union address to a joint session of Congress on Jan. 20. Vice President Joe Biden and House Speaker John Boehner of Ohio listen in the background. Mandel Ngan/AP hide caption

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Alan Gross (center), recently freed after being held in Cuba, speaks with NASA astronaut Scott Kelly before the start of the State of the Union speech in the House chamber of the U.S. Capitol. At left is Judy Gross. Rob Carr/Getty Images hide caption

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President Obama receives a standing ovation as he prepares to deliver his State of the Union address to a joint session of the U.S. Congress on Capitol Hill Tuesday. Jonathan Ernst/Reuters/Landov hide caption

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President Obama speaks at Pellissippi State Community College, in Knoxville, Tenn., on Jan. 9. Obama is turning to his biggest television audience of the year to pitch tax increases on the wealthiest Americans and put the new Republican Congress in the position of defending top income earners over the middle class. Carolyn Kaster/AP hide caption

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President Obama shakes hands after giving the State of the Union address before a joint session of Congress on Tuesday. Larry Downing/AP hide caption

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President Obama delivers his State of the Union address before a joint session of Congress on Tuesday. Jim Lo Scalzo/EPA/Landov hide caption

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Rep. Cathy McMorris Rodgers, R-Wash., rehearses the GOP response to the State of the Union on Capitol Hill. She delivered it Tuesday following the president's speech. Susan Walsh/AP hide caption

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A woman bundled against the cold walks past the U.S. Capitol dome prior to President Obama's State of the Union address before a joint session of Congress on Tuesday. Brendan Smialowski/AFP/Getty Images hide caption

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