Tragic and violent events are increasingly being live streamed to the world. Are we learning something from these graphic visuals – or are we wallowing in voyeurism and confirming our prejudices?
A macho culture prevails in police departments in America. The recent killing of Philando Castile serves as one example of the way racial bias and police officer machismo work together.
Racial abuse and violence and the intertwining of 'offline' and 'online' worlds call for new methods for opposing racism in public.
For 50 years, we have worked to make U.S. police more diverse and less intrusive. Why haven't we made more progress?