i think we are offered a real window intoo his thinkingand and why its important we understand it through this book. But you were talking about cars and the dominance of cars, and you explore that a little bit in the first chapter. And i think that's a good place to start, because the behaviour of these early sort of auto makers in pushing for the automobile as sort of the dominant mode of transportation the american city,. i think has a lot of lessons that hopefully you can peel apart for us a little bit.