[The Republicans] looked at basically the failed wars and they said, oh, this, us being the policeman of the world, that is not working.

I think Donald Trump is obviously the more colorful, the more flamboyant, the more dominant personality.

Americans don't like the way Washington operates. They don't like Washington. They don't like the way things are going.

Sometimes, you just let the country have its way, and you don't try to determine the shape of the country. You sort of modestly step back and let the country figure out what it believes.

[Donald trump] is moved from the enemy being Barack Obama, now gone, fading is Hillary Clinton, and there is no question he's chosen the enemy.

I do think what the Tea Party also had was Obamacare and the unpopularity of that, at least at the time. And so whether there is something that is equally unpopular and equally galvanizing that is almost self-destructive from the administration, that's another factor that we will wait and see.

There's never been a sense of public service about Donald Trump.