President Obama and first lady Michelle Obama listen as a choir performs during the groundbreaking ceremony for the Smithsonian National Museum of African American History and Culture in Washington, D.C., on Wednesday.
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From left, former Pennsylvania Sen. Rick Santorum, former Massachusetts Gov. Mitt Romney, former House Speaker Newt Gingrich and Texas Rep. Ron Paul, at a debate Thursday in Charleston, S.C.
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President Obama received a warm welcome at Scranton High School in Scranton, Pa., Wednesday. A surge in Hispanic voters in that state could make his chances of winning it a little more likely.
Ross Perot, shown on a video screen, addresses the Reform Party's national convention in July 1999 in Dearborn, Mich. The billionaire founder of the Reform Party, Perot ran for president as a third-party candidate in both 1992 and 1996.
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President Obama greets diners in Los Angeles last month. He faces long odds in his quest for re-election. Among them: unemployment, eroding support among independent voters and approval ratings that are well below those of previous presidents who won a second term.
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A sign at an Occupy D.C. protest reads "Fed Owns Obama." The president has so far had the worst of both worlds, with much of Wall Street convinced he's anti-business, and the protesters convinced he's in bed with the banks.