It's always been government's role to protect the security of the nation. And cyber-attacks is a security issue, from our perspective. And it's a security issue of particular concern with respect to the nation's core critical infrastructure, the infrastructure everyone relies on, the energy sector, the telecommunications sector, the banking sector.

The United States is the nation of innovation. And we have the best innovators, really, in the world. Our international property is one of our huge national economic assets. Yes, so to the extent that some are seeking to infiltrate our network, steal that information, not to have invest in the research and development that goes into innovation, that's a really big deal.

I've appointed a task force to take a fresh look at the color-code system and whether we should retain it, change it or scrap it.

Nonetheless, to the extent that terrorists have come into our country or suspected or known terrorists have entered our country across a border, it's been across the Canadian border. There are real issues there.

Well, you know, the violence is mostly in Mexico itself, at least the violence that people are worried about. And so we want to make sure that violence does not spill over into our communities that are along the border.

We are on the lookout for criminal and terrorist activity but we do not nor will we ever monitor ideology or political beliefs. We take seriously our responsibility to protect civil rights and liberties of the American people, including subjecting our activities to rigorous oversight from numerous internal and external sources.

Bob Mueller for the FBI, myself, met with a particular group of executives that have major roles in the so-called ISPs, the Internet service providers, what they could possibly do. We have met with leaders in private industry in terms of the core critical infrastructure of the country as to what they can possibly do with cyber-attacks.