Bill Walton’s life is one of extremes. Back in the 80s, he was a talented player on the Celtics. He's also experienced some deeply difficult situations with his health. At one point, he didn’t think he’d be able to walk again. To navigate these ups and downs, he’s leaned on lessons from three of the most influential leaders of his life: John Wooden, his basketball coach at UCLA; Larry Bird, his teammate on the Celtics; and Jerry Garcia, his idol in The Grateful Dead.