RADDATZ: Could he be the nominee?
RADDATZ: You think — you have to know he could be the nominee?
GINGRICH: Absolutely. I don't think he — I think he also could be the president.
RADDATZ: How does he do it?
GINGRICH: Well, first of all, if you're ahead everywhere and you — and your lead is increasing, as it is in Iowa...
RADDATZ: Among the Republicans.
GINGRICH: Among Republicans, which started with the nominee. First, you have to become the nominee. I think you might be surprised...