The Sunday morning talk shows got heated as Biden and Cheney sparred. Cheney told ABC's Jonathan Karl that Joe Biden was "dead wrong" in his assertion that a 9/11-style attack wasn't likely. Biden fired back, saying Cheney "either is misinformed or he is misinforming" when it came to fighting terrorism.

"All I know he is factually, substantively wrong on the major criticisms he has asserted," biden told NBC's David Gregory.

This video is from NBC's Meet the Press, broadcast Feb. 14, 2010.

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