When Jane Fonda granted us an interview to talk about her famous workout tape, things didn't go as planned.On part one of a special two-part Decoder Ring, we explore the decades-long friendship of Jane Fonda and Leni Cazden, the relationship that birthed the workout that changed the world. It's a story of creation, regret, fame, forgiveness, trauma, survival, politics, and exercise. In two weeks, we return with part two: the story of the bestselling VHS tape of all time.Slate Plus members get ad-free podcasts and bonus episodes of shows like Dear Prudence and Slow Burn. Sign up now to listen and support our work.Learn more about your ad choices. Visit megaphone.fm/adchoices