Donald Trump: “I think we’re pretty close. I think they want it. They feel good about it, and it’s a significant — it’s a big deal.”

I would rather not destroy the rest of the country if possible, but maybe I will have to. You'll know soon enough.

We are talking to Iran. We have been.

Our calling is to explore. Our purpose is to build, and our aim is always to win.

Within the next two years, NASA will launch the first-ever nuclear-powered spacecraft to Mars.