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Photos: Biden-Ryan debate

Credit: Getty Images

DANVILLE, KY - OCTOBER 11: U.S. Vice President Joe Biden (2nd L) greets Republican vice presidential candidate U.S. Rep. Paul Ryan's (R-WI) (R) mother Betty Douglas (3rd L) as Ryan's wife Janna Ryan (3rd R) and daughter Liza Ryan (2nd R) look on at the end of the vice presidential debate at Centre College on 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 Michael Reynolds-Pool/Getty Images)