Key Trends During the Debate

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Lapel Mystery?

A strange dark blemish on Mitt Romney's lapel pin had social media users murmuring about what the mark could be, speculating that it was everything from a Republican elephant or even a tribute to Americans killed in last month's attack on the U.S. Consulate in Benghazi, Libya. It was later confirmed to be the Secret Service logo, a star.

(Photo: Justin Sullivan/Getty Images)

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