President Obama and Republican presidential candidate Mitt Romney the last time they got together, at their Oct. 22 presidential debate in Boca Raton, Fla. Saul Loeb /AFP/Getty Images hide caption

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Saul Loeb /AFP/Getty Images

Before the vote, GOP nominee Mitt Romney and his running mate (Rep. Paul Ryan, in the background) were guarded by watchful Secret Service agents. After results came in, the agents quickly disappeared. Justin Sullivan/Getty Images hide caption

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Justin Sullivan/Getty Images

Some of the faces of those who supported the president, at his victory rally Tuesday in Chicago. Jewel Samad /AFP/Getty Images hide caption

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Jewel Samad /AFP/Getty Images

President Obama celebrating early this morning in Chicago. Robyn Beck /AFP/Getty Images hide caption

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Robyn Beck /AFP/Getty Images

NPR's Steve Inskeep talks with Pew's Michael Dimock

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In Columbus, Ohio, on Sunday, folks lined up to cast early ballots. Brendan Smialowski/AFP/Getty Images hide caption

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Brendan Smialowski/AFP/Getty Images

Early voters waited in line Wednesday in Miami. Joe Raedle/Getty Images hide caption

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Joe Raedle/Getty Images