Democratic incumbent Senator Russ Feingold and Republican challenger Ron Johnson shake hands at the conclusion of their debate in Milwaukee, Wisconsin

 
Democratic incumbent Senator Russ Feingold and Republican challenger Ron Johnson shake hands at the conclusion of their debate in Milwaukee, Wisconsin
U.S. Senate candidates, Democratic incumbent Senator Russ Feingold (L) and Republican challenger Ron Johnson, shake hands at the conclusion of their debate at Marquette University in Milwaukee, Wisconsin October 22, 2010. REUTERS/Allen Fredrickson (UNITED STATES - Tags: POLITICS ELECTIONS)