Marco Rubio has felt the wrath of Chris Christie and proved that he has a glass jaw. And I think that the question is going to be could he withstand a similar barrage from Donald Trump, who is relentless in going after the people he thinks are a threat to him.

Campaigns and primaries can get ugly. There are always messy squabbles.

I have to say that Donald Trump is on probably about the 13th minute of fame.

I think that behind the scenes the Pope [Francis] is seen as more of a religious figure, but obviously he is sort of a global political figure.

I think it`s going to be an important policy, the opening of Cuba and I think political policy for the hemisphere.

I think in theory, Donald Trump could be a formidable candidate, right? The theory of him is, if he ignites working class white voters, he can put Pennsylvania, Wisconsin, states like Ohio in play for the Republicans.

What is the alt-right? It's a dressed-up term for white nationalism. They call themselves white identitarianism. They say that the tribalism that's inherent in the human spirit ought to be also applied to white people.