Changing the way Black history is taught in America

As the nation reflects on and celebrates Black history this month, there's a growing debate over exactly how to teach Black history in American schools. Mary Frances Berry, a Geraldine Segal professor of American Social Thought and History at the University of Pennsylvania, joined CBSN's Lana Zak to discuss what works with the current school curriculums on Black history, and where improvements can be made.