It was a more intense, focused and immediate response. But the widest-angle lens doesn't begin to do justice to the scope of the situation with Katrina.

As catastrophic an event as 9/11 was, it was at least geographically bounded.

You can never be sure exactly what collection of problems you're going to face, ... That's why you need your whole toolbox in front of you.

We are going to rebuild New Orleans more or less where it is, so we start out with a lot of constraints on the process, ... It is time to put a lot of interesting ideas in the hopper, but it is certainly clear that pre-conceived ideological notions ... are going to prove lacking.