MPHO RANTAO ONE of the world’s biggest supermodels returns to grace the cover of American Vogue after an absence of two decades, speaking on her strong background, her outspoken nature being seen as angry, and her efforts in increasing the visibility in fashion for black people.  Naomi Campbell makes an appearance as the cover star of the November issue in a white Dior Haute Couture Dress, making it her first with the American version of the magazine after her last cover shoot in 1993.  Naomi Campbell’s Vogue cover by Ethan James Green. Picture: Instagram/naomi Described on the cover as a…