Gov. Chris Christie says he's not concerned about who his Democratic opponent will be in the New Jersey governor's race.
Christie says "it really doesn't matter" who runs against him in November.
The governor declared his intent to seek a second term last month, partly for the chance to lead New Jersey through the rebuilding after Hurricane Sandy, which he says won't be complete by next year.
Christie's job approval rating skyrocketed for his handling of the superstorm.
Newark Mayor Cory Booker ruled out a run for governor on Thursday, saying he would finish his term in Newark then run for Senate in 2014.
Christie says he hasn't spoken to Booker about his decision but assumes the mayor of the state's largest city made the decision that suits him best.