There have been so many individuals who have really put a lot on the line. That they've sacrificed so much to try to protect the principle of source protection in the journalism world. And I think Julian Assange, and WikiLeaks, and Sarah Harrison have really been extraordinary in standing up for that.

Some months after [Keith Alexander] made that statement [Edward Snowden cause grave and irrevocable harm to the nation], the new director of the NSA, Michael Rogers, said that, in fact, he doesn't see the sky falling. It's not so serious after all.

The greatest fear that I have regarding the outcome for America of these disclosures is that nothing will change.

US has to be able to rely on a safe and interconnected internet in order to compete with other countries.

At the trial of Chelsea Manning, the government could point to no case of specific damage that had been caused by the massive revelation of classified information. The charges are a reaction to the government's embarrassment more than genuine concern about these activities, or they would substantiate what harms were done.

We should never allow computers to make inherently governmental decisions in terms of the application of military force, even if that's happening on the internet.

Someone recently talked about mass surveillance and the NSA revelations as being the atomic moment for computer scientists. The atomic bomb was the moral moment for physicists. Mass surveillance is the same moment for computer scientists, when they realize that the things they produce can be used to harm a tremendous number of people.