The radical elements in Islam are very dangerous. They want to achieve a return to the Islamic purity of the Middle Ages.

Democracy doesn't just consist of holding elections.

But figuring out Saddam Hussein was one our greatest mysteries. He marched to his own drummer and frequently as this unfolded he made decisions which were sometimes inexplicable to us and sometimes didn't look very smart.

Because national borders are eroding, because of the growth of non-state actors. It's a different kind of a world. We are tied down by a tiny little country - Iraq. It's amazing, given the disparity in military economic strength. It's a world where most of the big problems spill over national boundaries, and there are new kinds of actors and we're feeling our way as to how to deal with them.

If Iraq were to descend into chaos, the Europeans would feel the effects just as much as we would.

We must find out where the roots of terrorism lie.

Perhaps the most troubling area in the world goes from the Balkans through the Middle East and in Central Asia.