Barry Diller has transformed the way people around the world enjoy entertainment, helping to put some of the biggest titles in film and television on our screens. He's also enjoyed success beyond Hollywood, becoming CEO of Paramount Pictures at just 32, before launching the Fox TV network. He made home shopping the habit of millions, and later founded the conglomerate IAC which has owned dozens of brands. Until now, the story of Barry Diller himself has never really been told - but his new memoir "Who Knew" candidly answers questions that have persisted for decades. He speaks to Christiane about this experience of looking back and opening up. Also on today's show: author Tim Weiner ("The Mission: The CIA in the 21st Century"); NIH Director Dr. Jay Bhattacharya Learn more about your ad choices. Visit podcastchoices.com/adchoices