Biden, Ryan campaign before debate

Vice President Joseph R. Biden and Republican vice presidential candidate Paul Ryan campaign Oct. 10, 2012, ahead of Thursday's vice presidential debate at Centre College in Danville, Ky.

Supporters wave signs during a rally outside the Norton Center on the Centre College campus in Danville, Ky., before the vice presidential debate on Oct. 11, 2012. Vice President Joseph R. Biden will face Republican vice presidential candidate Paul Ryan. (Associated Press)

Supporters wave signs during a rally outside the Norton Center on the Centre College campus in Danville, Ky., before the vice presidential debate on Oct. 11, 2012. Vice President Joseph R. Biden will face Republican vice presidential candidate Paul Ryan. (Associated Press)

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