We talk a lot about operational control, and that's having a better understanding of who's coming in and who's leaving, what the threat really is. We're never really going to get that.

Cairo has flights into JFK, and they're going to open another one at Dulles... As long as we have flights coming directly to the United States, I think it's putting Americans at risk.

I would argue it should be a policy to defeat ISIS where they are, where they exist and prevent them from coming into the United States.

Without - you know, good intelligence stops plots against the homeland. Without that intelligence, we cannot effectively stop it.

I like social media, as it cuts out the middleman. You can be yourself, you can't be misquoted, and it's also useful for me to get information about my theatre shows across to people.

Surveying the way viruses have been discovered in the past, I came to the conclusion that I could use my technology that I developed as a graduate student - DNA microarray technology - to create a chip that would simultaneously screen for all viruses ever discovered, and furthermore have the built-in capability of discovering new viruses.

Encryption plays a fundamental role in protecting us all online. It is key to growing the digital economy and delivering public services online. But, like many powerful technologies, encrypted services are used and abused by a small minority of people.

The rise of a ubiquitous Internet, along with 24-hour news channels has, in some sense, had the opposite effect from what many might have hoped such free and open access to information would have had. It has instead provided free and open access, without the traditional media filters, to a barrage of disinformation.