Director Amma Asante and actor David Oyelowo join us to discuss their new film, “A United Kingdom.” Journalist Sarah van Gelder, co-founder of Yes! Magazine, joins us to talk about her book The Revolution Where You Are: Stories from a 12,000-Mile Journey Through a New America. Lucinda Rosenfeld on her latest novel, Class, a satire on gentrification, liberal guilt and hypocrisy. Atlantic senior editor Derek Thompson joins us to discuss his book Hit Makers: The Science of Popularity in the Age of Distraction.