Happy Cities?; Shahan Mufti on His Family and the History of Islam; Fun Home; Photography and the War in Vietnam

On today’s show: we’ll explore whether densely populated cities are be better—or worse—for happiness, and what urban design has done to improve communities around the world. Shahan Mufti can trace his family’s roots back to the inner circle of the prophet Muhammed, and he describes the relationship between Islamic law and religion. Director Sam Gold, composer Jeanine Tesori, and lyricist Lisa Kron talk about their new musical, Fun Home, adapted from a bestselling graphic novel. Pete Hamill and Santiago Lyon and Hal Buell of the Associated Press discuss the role of photojournalism in reporting the war in Vietnam.