** FILE ** New Jersey Gov. Chris Christie signs campaign posters for his supporters at the Edison Diner during a campaign stop in Edison, N.J., Tuesday, Oct. 8, 2013. (AP Photo/Mel Evans)

Photo by: Mel Evans

** FILE ** New Jersey Gov. Chris Christie signs campaign posters for his supporters at the Edison Diner during a campaign stop in Edison, N.J., Tuesday, Oct. 8, 2013. (AP Photo/Mel Evans)