President Obama said he regrets that the rancor between the parties has grown during his watch. "I guarantee I'll keep trying to be better so long as I hold this office," he said. Susan Walsh/AP hide caption

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Kim Davis (left) holds her hands in the air with attorney Mat Staver (center) and her husband, Joe Davis, after she was released from jail. She was jailed for her refusal to grant same-sex-marriage licenses. Ty Wright/Getty Images hide caption

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President Obama delivers the 2015 State of the Union address. Only about 40 percent of State of the Union requests get through Congress. For Obama, it's been even lower. Mandel Ngan/Pool/Getty Images hide caption

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Julie Byard, head of a Detroit nursery, tells children stories and sings them songs prior to their afternoon nap in 1942. AP hide caption

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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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