As long as I'm president of the United States Iran will not get a nuclear weapon. I made that clear when I came into office.

There wasn't a time where I felt fearful that I couldn't make the best decisions possible.

I don't have a philosophical objection, necessarily, to a travel ban if that is the thing that is going to keep the American people safe.

Just like I described in health care, yeah, somebody comes in, they got new ideas, maybe ideas that are completely opposite of my ideas. Maybe some of it goes, maybe some of that progress goes back. Maybe they think of some things we didn't think of, and so in some other areas - we can learn something.

The Internet and Twitter and all these things are very powerful, but it also means sometimes that instead of having a dialogue we just start calling folks - calling each other names. And that's true on the left or the right.

You are part of the first generation of officers to begin your service in a world where the effects of climate change are so clearly upon us. Climate change will shape how every one of our services plan, operate, train, equip, and protect their infrastructure, today and for the long-term.

I hope that this [hacking] does not continue to be viewed purely through a partisan lens.I think there are Republicans as well as Democrats who are concerned about this.