Director Tamera Davis delves into the life of the artist whose status as a cult figure began to overshadow his neoexpressionist output, and whose friendship with Andy Warhol cemented his role in pop culture history. In the late 1970s, a Lower East Side graffiti artist who signed his work “Samo” emerged the darling of the New York art scene. Samo’s real name was Jean-Michel Basquiat, and in just a few short years, Basquiat would be an internationally celebrated artist. But being a black artist in the 1970s…