As the host of the PBS TV series 'Finding Your Roots,' Gates tells celebrities about their family history. Terry Gross asked Gates about his own roots, and some of the more controversial aspects of DNA testing.
Also, journalist Brian Palmer has written recently about taxpayer funding for confederate monuments, and groups that portray the confederate cause as noble and slavery as a benign institution. His article for 'Smithsonian Magazine' is called 'The Costs of the Confederacy.'
