Vox's Jerusalem Demsas joins Matt and Dara on a time machine trip back to a WW1-era Supreme Court decision that shaped land use policy, zoning, and racial discrimination in housing. Discussion of Buchanan (and the related Euclid case decided nine years later) leads our hosts to talk a lot about the interrelated histories of zoning and racism in twentieth-century America.

The regulations would have far-reaching implications for tech firms like Amazon, Google, Facebook and Microsoft, which have poured resources into developing the technology.