We know that weapons, heavy weapons continue to flow across the border from Russia into Ukraine. And we have now, in recent days, indications that Russians - Russian military units themselves have, on occasion, fired into Ukraine.

I think it's very, very important that in foreign policy and national security decision making, as in any other realm, that there be a range of diversity that reflects the full complexity of America. We should draw on those experiences to inform our decision making.

I am a team player - and that is what you need to be an effective point guard. You gotta see the court, you gotta set up the play, and you gotta let others execute for the most part. I don't throw elbows for the sake of throwing elbows, but if somebody throws one at me and it's necessary to respond in kind, I suppose I can if I have to.

I'm sort of in this rhythm where we want to make the most of the time we have, but when it's done it will be time for it to be done.

I think most Americans understand that we went through a period in which American leadership was judged quite critically internationally.

Once you've learned to study in a bathing suit on the grass with muscled men throwing frisbees over your head, you can accomplish almost anything.

If you're trying to get something done, there will always be people who don't want to see you get something done, or who have a stake in the status quo. And if they approach that through ad hominem criticism of you, you've got to have enough confidence and thickness of skin to be able to endure.