I'm not watching any TV shows, frankly.

There are plenty of meetings, receptions, dinners, and so if you are [at the U.N.] any length of time, and I was there for four and a half years, you formed pretty significant relationships with people from all over the world. And that's important to the work you do. If you're trying to rally the General Assembly to vote for something that matters to the United States, those personal relationships count.

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 have been to Libya and walked the streets of Benghazi myself.

Governing is different than campaigning, and that comes with a whole different level of responsibility.

What I learned is that policymakers have to force consideration of actions that may not have occurred to them at the time.

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.