Vice President Joe Biden speaks during a campaign event, Thursday, Sept. 13, 2012, at the Zorn Arena on the University of Wisconsin-Eau Claire campus. (AP Photo/Stacy Bengs)

 

              Vice President Joe Biden speaks during a campaign event, Thursday, Sept. 13, 2012, at the Zorn Arena on the University of Wisconsin-Eau Claire campus. (AP Photo/Stacy Bengs)
Vice President Joe Biden speaks during a campaign event, Thursday, Sept. 13, 2012, at the Zorn Arena on the University of Wisconsin-Eau Claire campus. (AP Photo/Stacy Bengs)