Vice President Joe Biden speaks to Sen. Herb Kohl, D-Wis. during a 

Vice President Joe Biden speaks to Sen. Herb Kohl, D-Wis. during a campaign stop at the University of Wisconsin La Crosse in La Crosse, Wis.,  Friday, Oct. 12, 2012. (AP Photo/Tom Lynn)
Associated Press
Vice President Joe Biden speaks to Sen. Herb Kohl, D-Wis. during a campaign stop at the University of Wisconsin La Crosse in La Crosse, Wis., Friday, Oct. 12, 2012. (AP Photo/Tom Lynn)
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