In a combo photo, Vice President Joe Biden, left, and Republican vice presidential nominee Paul Ryan, of Wisconsin, face off during the vice presidential debate at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/David Goldman)
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In a combo photo, Vice President Joe Biden, left, and Republican vice presidential nominee Paul Ryan, of Wisconsin, face off during the vice presidential debate at Centre College, Thursday, Oct. 11, 2012, in Danville, Ky. (AP Photo/David Goldman)