Which dialect of 'Black' English will be taught - Ebonics, Mutha F'ing Samuel L Jackson, Bedford-Stuy, Compton, Oakland, Detroit, Atlanta, Miami, Yo! MTV Raps!, 1970s TV Jive, 1920s Harlem Jazz Scat, etc.?
... That's right, Rosa Parks, you sat on the bus so African-Americans could go back to Seperate-but-Equal.
The long-term danger of such nonsense is Black Nationalist Seperatism.