Photos | Joe Biden's debate reaction faces
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Credit: Getty Images
DANVILLE, KY - OCTOBER 11: U.S. Vice President Joe Biden speaks during the vice presidential debate as moderator Martha Raddatz looks on at Centre College October 11, 2012 in Danville, Kentucky. This is the second of four debates during the presidential election season and the only debate between the vice presidential candidates before the closely-contested election November 6. (Photo by Chip Somodevilla/Getty Images)
