Podcast:Freakonomics Radio Published On: Thu Jun 07 2018 Description: We are in the midst of a historic (and wholly unpredicted) rise in urbanization. But it's hard to retrofit old cities for the 21st century. Enter Dan Doctoroff. The man who helped modernize New York City — and tried to bring the Olympics there — is now C.E.O. of a Google-funded startup that is building, from scratch, the city of the future.