Finding Your Roots is a ten-part Public Broadcasting Service (PBS) public television series hosted by Professor Henry Louis Gates. The series originally aired March 25 – May 20, 2012 from 8–9 p.m. EDT.
The series uses traditional genealogical research and genetics to find the family history of 25 Americans. Genetic techniques include Y-chromosome DNA, mitochondrial DNA, and autosomal DNA analyses to infer both ancient and recent genetic relationships.
Branford Marsalis and Harry Connick, Jr. (aired March 25, 2012)
John Lewis and Cory Booker (aired March 25, 2012)
Barbara Walters and Geoffrey Canada (aired April 1, 2012)
Kyra Sedgwick and Kevin Bacon (aired April 8, 2012)
Angela Warnick Buchdahl, Yasir Qadhi, and Rick Warren (aired April 15, 2012)
Maggie Gyllenhaal and Robert Downey, Jr. (aired April 22, 2012)
Samuel L. Jackson, Condoleezza Rice and Ruth Simmons (aired April 29, 2012)
Sanjay Gupta, Margaret Cho and Martha Stewart (aired May 6, 2012)
John Legend, Wanda Sykes and Margarett Cooper (aired May 13, 2012)
Michelle Rodriguez, Adrian Grenier and Linda Chavez (aired May 20, 2012)

From Amos 'n' Andy to Nat King Cole, from Roots to The Cosby Show, black people have played many roles on primetime television. Brilliantly weaving clips from classic TV shows with commentary from TV producers, black actors and scholars, Marlon Riggs blends humor, insight, and thoughtful analysis to explore the evolution of black/white relations as reflected by America's favorite addiction.

television series

美国宪法第十三修正案：人人平等——除了罪犯。所以“罪犯”成了种族歧视、奴役的新缘由，通过囚禁有色人种来剥夺他们的权利，限制他们的自由，利用他们的劳力获取利益