Biden and Ryan face off

Biden and Ryan face off: U.S. Vice President Joe Biden laughs during the debate with Republican vice presidential nominee Paul Ryan.

(John Gress, Reuters )

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U.S. Vice President Biden debates Republican vice presidential nominee Ryan during the U.S. vice presidential debate in Danville

U.S. Vice President Joe Biden laughs during the debate with Republican vice presidential nominee Paul Ryan.

Copyright © 2009, Reuters Oct. 12, 2012