A surprising way to think about slavery / 60 Minutes Overtime

Historian and museum director Lonnie Bunch shows Scott Pelley a capital of the slave trade and explains why slavery is a story of strength in survival.

On 60 Minutes this week, Scott Pelley and his team travel to a beautiful but haunted place — Mozambique Island, off the coast of Africa, where more than 400,000 slaves were trafficked.

Watch the video