Do we want to emulate China in the way that China emulates the West? I think, for most Americans, the answer to that question would be no.

Every time you pick up the phone, dial a number, write an e-mail, make a purchase, travel on the bus carrying a cell phone, swipe a card somewhere, you leave a trace, and the Government has decided that it's good idea to collect it all, everything, even if you've never been suspected of doing a crime.

The internet has to be protected from intrusive monitoring or else the medium upon which we all rely for the basis of our economy and our normal life, we'll lose that, and it's going to have broad effects as a consequence that we cannot predict.

A political decision has been made not to irritate the intelligence community. The spy agencies are really embarrassed, they're really sore - the revelations really hurt their mystique. The last ten years, they were getting the Zero Dark Thirty treatment - they're the heroes. The surveillance revelations bring them back to Big Brother kind of narratives, and they don't like that at all.

I took what I knew to the public, so what affects all of us can be discussed by all of us in the light of day, and I asked the world for justice.

I was hoping to catch [Vladimir] Putin in a lie - like what happened to Director of National Intelligence James Clapper [in his congressional testimony]. So I asked Putin basically the same questions about Russian mass surveillance. I knew he's doing the same thing, but he denied it.

Extremists are not going to disappear.