How does a city confront a racist past? Tulsa, Oklahoma, is commemorating the centennial of the 1921 Tulsa race massacre, one of the worst incidents of racist violence in U.S. history. Producers and hosts Jessica Mendoza and Samantha Laine Perfas share a teaser for their new podcast, “Tulsa Rising,” which explores how a community rebuilt in the face of hostility – and what it truly takes to repair what hate has broken.