Terrorism kills far fewer people than cigarettes, or alcohol, or car accidents. But we don't see ourselves restructuring society and lives in order to make those threats go away.

The only thing I fear is the harmful effects on my family, who I won't be able to help any more. That's what keeps me up at night.

[Our system of education ]not designed to create critical thinkers.

I talk to cryptographers, some of the leading technologists in the world, all the time about how we can deal with these issues. It is not possible to create a back door that is only accessible, for example, to the FBI.

Radicalism and extremism, while they are dangers, they exist in every society on some level.

In the United States and some of the other countries involved it's sort of a "five eyes" global spying alliance. That's the US, UK, Canada, New Zealand, and Australia. They've had a little bit of a more muscular public response. Now, they haven't been satisfying or really meaningful in any country yet. But they have been engaging.

As for my personal politics, some people seem to think I'm some kind of archlibertarian, a hyper-conservative.