Documentarian Ken Burns’ latest work, “East Lake Meadows: A Public Housing Story,” explores the history of a former public housing community in Atlanta. It features the stories of residents and raises critical questions about race, poverty and public assistance. The film premieres Tuesday, March 24, at 7 p.m. on PBS. In this interview, Sarah Fenske talks with Burns about the film. She also gets his take on the current health crisis posed by COVID-19 and the value of looking back at history to inform us in these uncertain times.