Brian Stelter on 'Network of Lies' and Fox's brand

After decades at the helm of News Corp, Rupert Murdoch officially stepped aside this week. What does this leadership change mean for the future of a network so deeply tied to and influential within the Republican party? Amna Nawaz discussed that with Brian Stelter, author of "Network of Lies: The Epic Saga of Fox News, Donald Trump, and the Battle for American Democracy."