As the UK finally leave the European Union after several delays, changes in leadership and much debate, David Dimbleby, former "Question Time" presenter, joins Christiane Amanpour to discuss how this is the most divisive event to happen to British politics in recent times. He also talks about about his new podcast venture, "The Sun King", that explores the Murdoch media empire. "The Assistant" examines the toxic workplace culture that enables predatory behavior and vilifies those that speak up against it. Writer and Director of that film, Kitty Green, explains what message she was trying to send with this film. Our Hari Sreenivasan sits down with director Petra Costa to unpack her new Oscar-nominated documentary "The Edge of Democracy," that looks at the rise and fall Brazil's presidents. She speaks about the very real threat to democracy in her home country.To learn more about how CNN protects listener privacy, visit cnn.com/privacyLearn more about your ad choices. Visit podcastchoices.com/adchoices