We reject techniques like torture regardless of whether they're effective or ineffective because they are barbaric and harmful on a broad scale. It's the same thing with cyber warfare. We should never be attacking hospitals. We should never be taking down power plants unless that is absolutely necessary to ensure our continued existence as a free people.

They still have negligent auditing, they still have things going for a walk, and they have no idea where they're coming from and they have no idea where they're going. And if that's the case, how can we as the public trust the NSA with all of our information, with all of our private records, the permanent record of our lives?

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

We are a representative democracy. But how did we get there? We got there through direct action. And that's enshrined in our Constitution and in our values.

A zero-day exploit is a method of hacking a system. It's sort of a vulnerability that has an exploit written for it, sort of a key and a lock that go together to a given software package. It could be an internet web server. It could be Microsoft Office. It could be Adobe Reader or it could be Facebook.

We watch our own people more closely than anyone else in the world.

The question that we, as a society, have to ask is, are our collective rights worth a small relative advantage in our ability to spy on other countries and foreign citizens? I have my opinion about that, but we all collectively have to come to our opinion about it.