I'm an introvert. Introverts have a huge advantage over extroverts. We can create a mission and we can act on it.

I think to deal with Putin, you need to deal from strength. He's a bully, you enable bad behavior when you're nuanced with a guy like that.

That, by the way, is perhaps the most ludicrous comment I've ever heard, that climate change is a bigger threat to our country than radical Islamic terrorism.

[ Marco Rubio] overly ambitious, too young, and I have better hair than he does.

Women who bring up children by themselves do it heroically, they do it against all odds, men who don't feel responsible for being part of their child's life create real strains on that family.

We need to destroy ISIS in the caliphate. That's - that should be our objective. The refugee issue will be solved if we destroy ISIS there, which means we need to have a no-fly zone, safe zones there for refugees and to build a military force.

We need to embed our forces - our troops inside the Iraqi military. We need to arm directly the Kurds. And all of that has to be done in concert with the Arab nations.