African scuba divers rewrite a 'settlers' narrative' of the slave trade

This young group are making new discoveries about old history. Maritime archaeology is a historically white field traditionally focused on finding "treasure" and bringing it back to museums. But a new wave of African divers is shaking things up. Rachel Chason, off the coast of Senegal, a Smithsonian-sponsored program is training divers to explore and document sunken slave ships.