The New York Times recently ran an investigative article about the taxi medallion scam in New York City, which has led to multiple bankruptcies and suicides among New York City cab drivers, most of whom are working immigrants. For this episode of Margin Call, we invited two San Francisco taxi drivers, Andre Baca and Dana Williams, who help shed some light on the medallion scheme and the perils of hack life in the Uber era in The City by the Bay.