Certainly, when it comes to my profession as a journalist, that allows the government to trace what you're reporting, who you're talking to, and where you've been. So no matter whether or not I have a commitment to protect my sources, the government may still have information that might allow them to identify whom I'm talking to.

Snowden is almost preternaturally prepossessing and self-possessed. I think of a novelist whose dream character just walks into his or her head. It must have been like that with you and Snowden. But what if he'd been a graying guy with the same documents and far less intelligent things to say about them? In other words, how exactly did who he was make your movie and remake our world?

From a personal perspective, because I'm on a watchlist and went through years of trying to find out why, of having the government refuse to confirm or deny the very existence of such a list, it's so meaningful to have its existence brought into the open so that the public knows there is a watchlist, and so that the courts can now address the legality of it. I mean, the person who revealed this has done a huge public service and I'm personally thankful.

Certainly, when it comes to my profession as a journalist, that allows the government to trace what you're reporting, who you're talking to, and where you've been. So no matter whether or not I have a commitment to protect my sources, the government may still have information that might allow them to identify whom I'm talking to.

Those who are experts in the fields of surveillance, privacy, and technology say that there need to be two tracks: a policy track and a technology track. The technology track is encryption. It works and if you want privacy, then you should use it.

I don't speak Arabic - I know a little to get by, but that's all.

Just consider the CIA and its effort to suppress the Senate's review of its torture program. Take in the fact that we live in a country that a) legalized torture and b) where no one was ever held to account for it, and now the government's internal look at what happened is being suppressed by the CIA. That's a frightening landscape to be in.