The 2016 presidential election is more than three years away. Nevertheless, people are thinking about it. For example, Dan Balz at the Washington Post has this piece about how New Jersey Governor Chris Christie would be a good Republican candidate for president. Among other things Governor Christie is known for publicly praising President Obama's response to Hurricane Sandy in the closing days of the 2012 election. Many Republicans feel this praise hurt Mitt Romney's chances to win the election.
I understand that the future is unknowable and virtually anything can happen. But unless every other Republican politician dies between now and 2016, I do not believe there is any chance that Governor Christie will be the GOP nominee for President. During the primaries, Republican voters will select a candidate, any candidate who has not publicly supported President Obama before they vote for Governor Christie.