Even the kinds of ingredients you can find in your own kitchen can be used to make bombs. So the problem is with the people and not with the tools.

The second thing we did was said, OK, we've now identified the risk, but what do you want to do with the money? Because it's not enough to have risk; you've got to have a meaningful use for the money we give you.

The fact that we have not had a terrorist attack in this country in the last six years is not a cause for complacency or a time to celebrate the end of the struggle. The threat is not going away. The enemy has not lost interest. ...Fundamentally, we're in a struggle about ideology. Terrorists want to remake the world in their own image and it is the image that is intolerant of the kinds of institutions that we cherish.

We always monitor the flow of information, intelligence, threat streams to see whether we have any indication there's some imminent. We work hard to identify potential cells and disrupt them. This is one of the reasons we put so much emphasis on intelligence gathering.

I have not heard a report of thousands of people in the convention center who don't have food and water.

I think the idea that you can go this alone is - was a huge mistake. And unfortunately, there was a price paid in terms of suffering and pain for people in New Orleans.

So people have to decide. Do they want to have the security? Do they want to continue to plug the gap [in border security] that GAO has identified and recognize that there will be some costs to doing that? Or do we want to make sure that business isn't hampered and that people can move back and forth readily, and recognize that, if we don't put some barriers in place, we're going to wind up with dangerous people coming into the country?