Decoding Our Past

S2, E10: Jessica Alba is proud of her Mexican-American heritage yet DNA analysis reveals that she has Jewish and Mayan ancestry and links to the court of France's King Louis XIV. Deval Patrick, the first African-American governor of Massachusetts, discovers that his roots lead to a black homesteader in Colorado and a white master who gave his former slave land after the Civil War. Also featured are Valerie Jarrett, Anderson Cooper and presenter Professor Gates himself.