New Jersey Gov. Chris Christie, center, in one of the "Stronger Than The Storm" ads aimed at bringing tourists back to his state after Hurricane Sandy. StrongerThanTheStorm YouTube channel hide caption

itoggle caption StrongerThanTheStorm YouTube channel

Gov. Chris Christie, R-N.J. Kena Betancur/Getty Images hide caption

itoggle caption Kena Betancur/Getty Images

Lautenberg's GOP opponents: Millicent Fenwick 1982, Pete Dawkins 1988, Chuck Haytaian 1994, Doug Forrester 2002 and Dick Zimmer 2008. Ken Rudin collection hide caption

itoggle caption Ken Rudin collection

New Jersey Gov. Chris Christie gives details on his 2014 state budget in Trenton, N.J., Tuesday, Feb. 26, 2013. Rich Schultz/AP hide caption

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New Jersey Gov. Chris Christie speaks at the Ronald Reagan Presidential Library in Simi Valley, Calif. on Sept. 27. Jae C. Hong/AP hide caption

itoggle caption Jae C. Hong/AP