Henry Louis Gates to Stephen Colbert:

"You're the whitest man I've ever tested using genetic analysis." 

If you're not familiar with Stephen Colbert's sense of humor, watch the clip below.  This is classic Colbert.  Colbert is one of the subjects of  Gates' PBS program "Faces of America" which debuts February 10 on PBS.

The Colbert Report	Mon - Thurs 11:30pm / 10:30c
Henry Louis Gates, Jr.
www.colbertnation.com
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#facesofamerica  #DNA