A post racial society?

How is this not a post-racial society, and how does this relate to our current politics and having a black president. Use scholarly sources to support your claims. Use at least one of the following documents and three videos to support your claims.
the Declaration of Independence, MLK?s Letter From Birmingham Jail and John Locke?s and these sources.

Bessy Smith ? Usually acknowledged as the greatest Blues singer, ever!
When she was in the car accident, she had to be driven to the Black hospital. She bled to death on the way.
https://www.biography.com/people/bessie-smith-9486520https://www.biography.com/people/bessie-smith-9486520

Paul Robson Old Man River (revised) https://www.youtube.com/watch?v=iEQEeNhtosg
A brief biography of Paul Robson https://www.afrovoices.com/robeson.html

Odetta ? In her own words Pay special attention to the work song and her final song ?Sometimes I Feel Like a Motherless Child?

Porgy and Bess ? All Black Opera?Remember, however, that though the performers were all Black, the composer, were two White men, by Ira Gershwin and DuBose Heyward [The poet and playwright Langston Hughes said Heyward was one who saw “with his white eyes, wonderful, poetic qualities in the inhabitants of Catfish Row that makes them come alive.” (Porgy is handicapped)
https://www.youtube.com/watch?v=2ZsVMQSCXyk

Billy Holiday
https://www.liveleak.com/view?i=bb3_1300399771 — About her death ?Billy Holiday singing: ?I love you Porgy? from Porgy and Bess in the background
Billy Holiday singing ?Strange Fruit? https://www.liveleak.com/view?i=bb3_1300399771
Story of ?Strange Fruit? and the lyrics. Notice who the composer was.

Civil Rights
Emmitt Till

Ruby Bridges goes to a white school

Medgar Evers https://www.biography.com/people/medgar-evers-9542324
Dr. Martin Luther King in Birmingham
https://www.youtube.com/watch?v=-0lD37bq8YI&feature=related
4 little girls in Biringjam

March on Selma ? Bloody Sunday https://www.youtube.com/watch?v=rDSI_a75qKQ&feature=related
Freedom Rides

The Movie https://video.pbs.org/video/1925571160/

MLK ? Malcolm X

Malcolm X after returning from Mecca