Donald Trump: “I have empowered you to be a tough guy. You either make a deal, or we're out. You don't have the cards.”

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

Do we want to go further with strikes to ensure Iran's nuclear program is dead and that it will never happen again?

Stephen's been with me from the beginning. He gets it, very good politically ... and he's a very good manager. He'll do a great job.

We are talking to Iran. We have been.