they were informed by their professors -- dewey and santayana and other university people, harvard people who preached a reform movement as necessary to solving problems of the american city, which was in many cases near anarchy. so they were united by this face. science became their religion. -- by this faith. science became their religion. they understood that they could make the world anew, one of the reasons they joined with wilson in going to paris in 1919, to remake in effect europe. >> none of which actually worked out in the end. >> it was a good first effort. that is my take on it. it could never have succeeded. >> i am going to take a little station break here, and i want you to know how we were informed by science today. i want to know where our passion for building comes from this belief in scientific answers to artistic questions. for the benefit of our radio listeners, on sirius-xm radio, can be heard on saturdays. we are very glad to have those listeners, and i'm talking with james srodes, the author of "one dupont circle: franklin and eleanor roosevelt and the progressives