Susan Rice: “You have been an ardent champion of a principled U.S. foreign policy to ensure this country's security and prosperity.”

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.

When the people closest to you say you're unfit to lead, that's very, very concerning and dangerous.

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.

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