Republican presidential candidate Herman Cain during a Sept. 7 debate at the Ronald Reagan Presidential Library. Kevork Djansezian/Getty Images hide caption

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Former Pennsylvania Sen. Rick Santorum during Thursday night's Republican presidential debate in Orlando. Mark Wilson/Getty Images hide caption

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Mara Liasson on the GOP debate

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Former Massachusetts Gov Mitt Romney (left) and Texas Gov. Rick Perry during Monday's debate in Tampa. Win McNamee/Getty Images hide caption

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NPR's Don Gonyea reported earlier on Morning Edition.

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President Obama on Labor Day in Detroit. Bill Pugliano/Getty Images hide caption

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NPR's Ari Shapiro, on Mitt Romney's jobs plan

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President Obama and former Secretary of State Colin Powell at the White House on Dec. 1, 2010. Saul Loeb /AFP/Getty Images hide caption

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Steve Inskeep speaks with Colin Powell

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Republican presidential candidate and Texas congressman Ron Paul at Iowa State University in Ames on Aug. 13, 2011. Scott Olson/Getty Images hide caption

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Ron Paul on 'Talk of the Nation'

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