Bassett said she visited Charleston and said the city's soul is on fire. Her comment that the state no longer flies the Confederate flat elicits cheers from the crowd.
Two of the three survivors of the shooting, Felicia Sanders and Polly Sheppard, join Bassett onstage.
Former Philadelphia Police Commissioner Charles Ramsey is a co-chair of the President’s Task Force on 21st Century Policing, a blueprint for reforms.