I must say I'm surprised by how skeptical of the [Barack] Obama administration The Nation has been.

All I wanted was for the public to be able to have a say in how they are governed. That is a milestone we left a long time ago.

The US government still has no idea what documents I have because encryption works

We need to make sure that whenever we're engaging in a cyber-warfare campaign, a cyber-espionage campaign in the United States, that we understand the word cyber is used as a euphemism for the internet, because the American public would not be excited to hear that we're doing internet warfare campaigns, internet espionage campaigns, because we realize that we ourselves are impacted by it.

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.

So when they say I'm a low-level systems administrator, that I don't know what I'm talking about, I'd say it's somewhat misleading.

I believe that when [senator Ron] Wyden and [senator Mark] Udall asked about the scale of this, they [the NSA] said it did not have the tools to provide an answer. We do have the tools and I have maps showing where people have been scrutinised most. We collect more digital communications from America than we do from the Russians.