Growing Bolder

Alan Alda is beloved for his long-running role as Hawkeye on the iconic show M*A*S*H*, but when you learn what this thoughtful and curious man is up to at the age of 82, you'll understand and value him in a whole new light. Plus, "Back to the Future" actress Lea Thompson's new project is a true family affair. Then, meet the 74-year-old woman who is rewriting the triathlon record books, and it's a sport she didn't discover until her mid-40s.