People are moving back into the cities. But where should they go? In an age of congested freeways and greenhouse gas emissions, gentrification and concentrated poverty, suburban sprawl and all sorts of inequality, where is the best place to build, to live, to walk, and to shop? One answer has been touted to address all those problems: near public transit. In this episode, we define, describe, and debate “transit-oriented development” with Seva Rodnyansky.