Booktv. Org. Doug most recounts the competition between boston and new york city, to build the nations first subway system during the late 19th century. This is a little under one hour. [applause] thank you. Thank you everyone for coming out on this lovely night. Ive done one of than earlier so far and the also was a slushy and lovely night. So maybe this is what you should expect Going Forward for things. It is also appropriate as i talk to people about this today, as i was thinking about this now, its appropriate that their snow around because as it turned out snow was a critical factor in the building of subways in this country. I will talk a little bit about that. Subways came to be in large part because of a storm much bigger than the one that we are experiencing today and a much more deadly one. I thought id do tonight is talked briefly about the question everyone has asked me, how did you come up with the idea for the book, a question that you often here. And i will talk a littl