TED】ヨルバ・リッチェン。ゲイの権利運動が公民権運動から学んだこと（Yoruba Richen.ゲイの権利運動が公民権運動から学んだこと (Yoruba Richen: What the gay rights movement learned from the civil rights movement) (【TED】Yoruba Richen: What the gay rights movement learned from the civil rights movement (Yoruba Ric