People are less certain of their national identities or their place in the world. It starts looking different and disorienting. And there is no doubt that that has produced populist movements both from the left and from the right in many countries in Europe.

I thought I could start over, you see. But now I know you can never start over. Not really. You think you have control, but you are like a fly in somebody else's web. Sometimes I think that's why I like accounting. All day, you are only dealing with numbers. You add them, multiply them, and if you are careful, you will always have a solution. There's a sequence there. An order. With numbers, you can have control.

This is not some distant problem of the future. This is a problem that is affecting Americans right now. Whether it means increased flooding, greater vulnerability to drought, more severe wildfires - all these things are having an impact on Americans as we speak.

You know, one of the things I think you understand as president is you're held responsible for everything, but you don't always have control of everything, right?

If you’re walking down the right path and you’re willing to keep walking, eventually you’ll make progress.

And Joe Biden, thank you for being the best Vice President I could ever hope for.

If, technologically, it is possible to make an impenetrable device or system where the encryption is so strong that there's no key - there's no door at all - then how do we apprehend the child pornographer? How do we solve or disrupt a terrorist plot?