Not since Bill Clinton dubbed himself the comeback kid after the 1992 New Hampshire primary (even though he didn't win) will there be a more impactful New Hampshire primary – at least in the Republican race.

Donald Trump after the Republican U.S. presidential candidates debate in Manchester, New Hampshire, Feb. 6, 2016.

As New Hampshire voters head to the polls, there seems to be consensus on two things: 1) Donald Trump will be the victor, and 2) Who will finish second and third is truly a jump ball. And, whoever finishes second or third in New Hampshire, will likely be the GOP nominee.