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.

Vice President Joseph R. Biden (left), followed by his daughter Ashley and son Beau, exit Air Force Two on Oct. 11, 2012, upon their arrival at Lexington Blue Grass Airport in Lexington, Ky., for the vice presidential debate. (Associated Press)

Vice President Joseph R. Biden (left), followed by his daughter Ashley and sonBeau, exit Air Force Two on Oct. 11, 2012, upon their arrival at Lexington Blue Grass Airport in Lexington, Ky., for the vice presidential debate. (Associated Press)

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