Alex Castellanos: It’s Entirely Possible that Donald Trump Is the Nominee

STEPHANOPOULOS: "Do you agree with Jeb Bush that Donald Trump cannot be the nominee?"
CASTELLANOS: "No. No, I don’t. I think it’s entirely possible that Donald Trump is the nominee."
DOWD: "Do you think it’s likely?"
CASTELLANOS: "No. I..."
(CROSSTALK)
CASTELLANOS: "— do think there’s something better coming out of all of this. But no, I think it’s possible Ted Cruz wins Iowa, we go to New Hampshire to validate an alternative. The field is crowded. And a crowded field, by definition, is going to take longer to reduce. And you can see that Cruz-Trump dynamic..."
DOWD: "George, the amazing thing..."
CASTELLANOS: "— Trump may become the establishment candidate."