TRENTON, N.J. (AP) — This is the year Chris Christie was planning to be more than just New Jersey’s governor. Yet it turns out that high-profile investigations into his administration and campaign operation in a political payback case could make advancing his agenda a challenge.

Christie came off a decisive re-election victory in November already in the spotlight and with opportunities for some signature accomplishments. He became chairman of the Republican Governors Association, making him the chief fundraiser for the group in a year featuring 36 gubernatorial elections. His state hosted the first Super Bowl played outdoors in a cold-weather locale. The stage was set for him to keep gaining exposure ahead of a possible 2016 presidential bid and to claim a mandate on imposing his policies at home in New Jersey.