John Lewis witnessed a 'river of activism' flow from the civil rights movement to BLM

Civil rights leader John Lewis served as a perfect example of the fluidity between the civil rights movement of the 1960s and the Black Lives Matter movement, LBJ's Peniel Joseph, director of the Center for the Study of Race and Democracy at The University of Texas at Austin, told Jeremy Hobson and Allison Hagan of WBUR's "Here & Now."