Released fifty years ago, Bob Fosse’s masterpiece is not only a celebration of sexual freedom, but a warning about apathy in the face of evil. — As anyone who knows me is well aware, I co-host a podcast all about my first love: old movies. It’s called The Rewind Project, and each episode revisits a famous (or infamous) film on a significant milestone anniversary. We talk about the film itself, naturally — but where things really…