For more than a decade, groups of white St. Louis residents have used Shelly Tochluk's book, “Witnessing Whiteness,” to explore white racial identity and racism's role in individual and community life. We’ll hear from Witnessing Whiteness facilitator and St. Louisan Mary Ferguson; and talk with Tochluk about the place and purpose of her newest book, “Being White Today: A Roadmap to a Positive Antiracist Life.”