The courts were afraid to challenge executive declarations of what would happen. Now, over the last year, we have seen - in almost every single court that has had this sort of national-security case - that they have become markedly more skeptical.

When the police officers knock on your door with a warrant, they don't expect you to give them a tour. It's supposed to be an adversarial process so that it's used in these extraordinary powers are applied only when there's no alternative. Only when they're absolutely necessary, and only when they're proportionate to the threat faced by these individuals.

Properly implemented strong crypto systems are one of the few things that you can rely on.

Too often we forget that social and political movements don't happen overnight. They don't bring change immediately - you have to build a critical mass of understanding of the issues.

I'm not a spy, which is the real question

There are cyber threats out there, this is a dangerous world, and we have to be safe, we have to be secure no matter the cost.

You would be surprised how effective, at least for influencing low-information voters, negative propaganda about me is.