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.

President Obama is funny, he's thoughtful, he's challenging, he's fun to work with - and it's been an extraordinary privilege.

What I would say about me is: What you see is what I get.

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.

There was a hateful video that was disseminated on the Internet. It had nothing to do with the United States government, and it's one that we find disgusting and reprehensible. It's been offensive to many, many people around the world. That sparked violence in various parts of the world, including violence directed against Western facilities including our embassies and consulates.

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.

Focus on something that stirs your soul, it's hard to excel at anything that you don't love.