Tonight, Oprah’s new network OWN debuts its Documentary Club by airing a documentary film from the producers of RuPaul’s Drag Race that follows Sonny and Cher’s child Chaz Bono’s transition from female to male. Becoming Chaz debuted at Sundance earlier this year and is directed by World of Wonder’s Fenton Bailey and Randy Barbato, and its television debut on OWN at 9 p.m. ET will be followed by a one-hour special and discussion about the film called The Doc Club with Rosie O’Donnell at 10:30. Chaz’s memoir, Transition: The Story of How I Became a Man , is also out today. The film is about the person formerly known as Chastity Bono as he transitions to life as a man, a journey he takes with the support of his lesbian girlfriend Jennifer Elia, and which includes everything from hormone treatments to the removal of his breasts. While gay and bisexual people have been part of nonfiction TV and film for years, stories of transgendered people are far less common, just as being transgender...