A debate that might have been little more than a side note has now taken on greater significance. We preview tonight's face-off between Vice President Joe Biden and Congressman Paul Ryan.

Related Links:

Chicago Tribune article on Biden seeks to reclaim campaign momentum in debate with Ryan

The Washington Post article on 5 things to watch for in the vice presidential debate

Politico article on Vice Presidential Debate 2012: Paul Ryan a tough debater, ex-rivals say

BBC News article on Joe Biden and Paul Ryan in high-stakes VP debate

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