Dr. Paul Offit, Professor of Vaccinology at the University of Pennsylvania, joins Christiane Amanpour to discuss the increase in cases of measles this year. Rob Delaney and Sharon Horgan, the co-creators of the hit series "Catastrophe" talk about why relatability is the show's key to success. Our Alicia Menendez talks to first time film director Nia DaCosta about her film "Little Woods" and the issues facing small town America.To learn more about how CNN protects listener privacy, visit cnn.com/privacyLearn more about your ad choices. Visit podcastchoices.com/adchoices