MOTHERJONES: "In the eyes of filmmaker Raoul Peck, the voice of author James Baldwin has been largely forgotten in the 30 years since his death. Yet Baldwin's words remain uniquely relevant today. I Am Not Your Negro, Peck's Oscar-nominated documentary, which hits selected theaters this week, recounts Baldwin's incisive examination of the systemic racism that underpins the black American experience. The film—based on letters, published work, and notes from Remember This House, Baldwin's unpublished manuscript about his contemporaries Medger Evers, Malcolm X, and Martin Luther…