One day, at the height of her fame in the mid-Seventies, Jane Fonda turned up on the doorstep of her ex-husband, Roger Vadim. She was lugging a bulging sack. Vadim’s glamorous new girlfriend let her in, thrilled to meet the movie icon at last. But her excitement soon turned to disbelief. The star of Julia, Klute and The China Syndrome had come to do her laundry. Why? Because her second husband, Tom Hayden, a Left-wing activist with a bulbous