What Can We Learn From Your Book My Hometown Seattle and San Francisco?

Seattle is one of the stops on your book tour and definitely your book addresses some of the themes that people are trying to deal with in real life in Seattle. Are there any lessons that modern day policymakers can learn from not only this book but also from the experiences that people have had over the millennia with urbanization which you wrote about in four lost cities? I think we're going through a period in our history especially in places like Seattle and San Francisco where the tech industry is slowly awakening people to the idea that maybe they need to have more worker solidarity, he says.