Christie is about the only valid nominee the GOP has left for the 2016 President election...
Scott Walker.
Marco Rubio.
Bobby Jindal.
John Kasich.
Are all valid nominee choices Republicans tend to do better when they nominate Governors for President over members of Congress while Rubio is in the Senate he has strong support with the Tea Party who put him in office in 2010 but would still appeal to Hispanic and women voters.