US Vice President Joe Biden takes his sunglasses off as he arrives for a campaign event with President Barack Obama at Strawbery Banke Field in Portsmouth, New Hampshire, September 7, 2012. US Vice President Joe Biden takes his sunglasses off as he arrives for a campaign event with President Barack Obama at Strawbery Banke Field in Portsmouth, New Hampshire, September 7, 2012. AFP PHOTO / Saul LOEB        (Photo credit should read SAUL LOEB/AFP/GettyImages)