The United States is more reliant on the technical systems. We're more reliant on the critical infrastructure of the internet than any other nation out there. And when there's such a low barrier to entering the domain of cyber-attacks we're starting a fight that we can't win.

I have no intention of hiding who I am because I know I have done nothing wrong.

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.

Radicals are not going to disappear. They're going to go underground. They're going to be hardened. And they're not going to be exposed to contrary ideas made by educated people who can make real, convincing, and persuasive arguments to deradicalise these people.

In the United States, there hasn't been much legislative change on the surveillance issue, although there are some tepid proposals.

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.

These [NSA] programs were never about terrorism: they're about economic spying, social control, and diplomatic manipulation. They're about power.