When my son was a mere three months old, I started working at the State Department. I was not only the youngest Assistant Secretary of State but I was also a breastfeeding mother. I'm the first to admit that this felt crazy at times, and the balancing act is never ever easy. But my two kids are the most wonderful things that have ever happened to me.

The kids are Job One. So, to be quite candid, if they need me, I do my utmost to make sure I'm there.

The United States really only accounts for about 3 percent of the economic engagement with Russia. Europe is 40 percent, and so Europe's contribution to this pressure is far more than symbolic. It's very practical. And that's one of the many reasons why we have worked hard to remain in close coordination with our European partners.

I do leisure reading but I don't get to do it like, at one in the morning. When I getting up at six in the morning, so I do most of my leisure reading on vacation and on airplanes and that sort of stuff.

We can't let others judge information for us.

For the United States to recommit itself to the obligation that we undertook in the Nuclear Non-Proliferation Treaty that many other states undertook, which was to work towards disarmament and the eventual elimination of nuclear weapons, is something that manifestly serves our national security interests.

President Obama has got the most moderate temperament.