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.

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.

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.

Peace, prosperity, and democracy cannot endure if imposed from the outside. We should cease to make false distinctions between peacekeeping and prevention; they are in fact inextricably linked.

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.

It's in our interest to continue with the Paris Agreement and to deal with climate change as the real threat it actually is.

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