experience, which sort of tries to set the stage for an actual demonstration for an actual sit in. >> he talked about the civil rights movement in the '60s. people talk about birmingham but the incubator was nashville, tennessee. james lawson taught about non-violence. teaching people like james louis and diane gnash how to not swing back if somebody hits you with a night stick. >> we actually practiced sitting in, some took the role of students who were sitting at a lunch counter and others took the role of white thugs. we were practicing how to remain non-violent even in the face of violence. >> there had been other sit ins in those early months of 1960