We have to decide why terrorism is a new threat. There has always been terrorism.

Before 2013, if you said the NSA was making records of everybody's phone calls and the [Government Communications Headquarters] was monitoring lawyers and journalists, people raised eyebrows and called you a conspiracy theorist. Those days are over.

Imagine, if you will, you're sitting at my desk in Hawaii. You have access to the entire world, as far as you can see it. Last several days, content of internet communications. Every email that's sent. Every website that's visited by every individual. Every text message that somebody sends on their phone. Every phone call they make.

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

[Our system of education ]not designed to create critical thinkers.

I don't want the stage. I'm terrified of giving these talking heads some distraction, some excuse to jeopardize, smear, and delegitimize a very important movement.

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.