FILE - In this Feb. 5, 2013 file photo, New Jersey Gov. 

FILE - In this Feb. 5, 2013 file photo, New Jersey Gov. Chris Christie feigns a stern look while speaking in Union Beach, N.J., after he was playfully asked about his weight. With humor and candor, Christie has been addressing a political vulnerability: his weight. (AP Photo/Mel Evans, File)
Associated Press
FILE - In this Feb. 5, 2013 file photo, New Jersey Gov. Chris Christie feigns a stern look while speaking in Union Beach, N.J., after he was playfully asked about his weight. With humor and candor, Christie has been addressing a political vulnerability: his weight. (AP Photo/Mel Evans, File)
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