Susan Rice: “America should aim to win the A.I. race, provided that the race can be won safely.”

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.

With Joe Biden, we have strong leadership that has strengthened our alliances not only in Europe, but in Asia and around the world, which makes America more secure.

I have never heard of something like that.