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.

We are safer if there are not nuclear arsenals around the planet that can be utilized, stolen, sold to terrorists and others who would do harm.

We have some straight journalism, but then we have opinion and perspective. And I think a lot of people, especially young people, don't know how to tell the difference, and aren't motivated to tell the difference.

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

Legislation that would withhold funding for the United Nations is fundamentally flawed in concept and practice, sets us back, is self-defeating, and doesn't work.

It is manifestly in the interest of the United States to deal with the very real threat that climate change poses. And that's why President Obama has worked so hard to reduce our own emissions and to lead internationally in forging the Paris climate agreement.

The youth thing never really, from my vantage point, slowed me down. I think the harder audience for me to gain acceptance from was the career diplomatic corps that worked with and for me in the Africa Bureau.