I was working with a number of African heads of state. And after their initial surprise, I think many of them just treated me as they would anybody else. They had to deal with me as a representative of the United States of America, and the United States of America was too important to be dismissed or ignored on any grounds.

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

South Africa's increasingly, for example, the largest foreign investor in various other parts of Africa.

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.

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

I've been very lucky to have had a supportive family, a great education, enormous opportunity and challenge.

There is not an inherent contradiction between a Ukraine that has longstanding historic and cultural ties to Russia, and a modern Ukraine that wants to integrate more closely with Europe.