Susan Rice: “It is unacceptable that Iran acquire a nuclear weapon.”

I take that very seriously, and I think we all should.

You know, we have in Donald Trump a leader who is not running to be the president of the American people. He's running for his own self-interest to try to stay out of jail.

It would not have teeth in the sense of it being enforceable. And that's why what happens in Washington matters so much.

I do believe he would do it. I believe we have -- if we have learned anything, we should listen to what he says and what he does is often exactly what he says and sometimes worse.