Richard Clarke: “We have to deal not just with police tactics and intelligence tactics, but we have to get at the root causes.”

I will make you pay a price. We haven't been willing to make them pay a price, except for economic sanctions.

Our precondition for any cooperation going forward has to be that people are allowed to continue to leave, even after the airlift.

The people who become terrorists in Europe are not refugees. They're not people who have been born in the Middle East and come here. They are people who are disaffected citizens of their own country, the country of their birth.

We have to find the modus vivendi with China. That's job number one.