Vice President Joe Biden and his wife Jill Biden board Air Force Two at North Carolina Air National Guard, Friday, Sept. 7, 2012, in Charlotte, N.C., en route to New Hampshire. (AP Photo/Carolyn ... more 
Vice President Joe Biden and his wife Jill Biden board Air Force Two at North Carolina Air National Guard, Friday, Sept. 7, 2012, in Charlotte, N.C., en route to New Hampshire. (AP Photo/Carolyn Kaster) less 
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Associated Press | Photo By Carolyn Kaster
Fri, Sep 7, 2012 10:33 AM EDT