Barry Diller has been a towering force in American entertainment and business for more than half a century. He helped reshape television at ABC, led Paramount during a golden era of filmmaking and launched the Fox network. Today, his digital empire spans travel, home services and online dating. Geoff Bennett spoke with Diller about his remarkable journey and his candid new memoir, "Who Knew." PBS News is supported by - https://www.pbs.org/newshour/about/funders