As a kid, Sylvester Stallone turned to movies to cope with reality. “I didn’t think about actors,” he told Gayle, “It was more as, like, mythic heroes.” In a wide-ranging and touching interview, Sly told Gayle about the ups and downs of his life and career, why he thinks of one of his most famous characters as his alter ego and his legacy, after becoming a Kennedy Center honoree this year: “I really want to be a symbol for how an average person, really, an average person, can overcome overwhelmi