Vice President Joe Biden

Associated Press
FILE - In this Sept. 8, 2012 file photo, Vice President Joe Biden kisses a supporter during a campaign event in Zanesville, Ohio. Obama goes airborne in a doozie of a bear hug with a pizza guy in Florida. Joe Biden cozies up with a biker chick in Ohio. Even the more reserved Mitt Romney seems to be loosening up some with people he meets on the campaign trail. Kissing babies and slapping backs are so yesterday. The 2012 candidates are putting their all into the campaign cliche of pressing the flesh. (AP Photo/Carolyn Kaster, File)

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Vice President Joe Biden on the 2012 campaign trail.

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