Fresh Air from WHYY, the Peabody Award-winning weekday magazine of contemporary arts and issues, is one of public radio's most popular programs. Hosted by Terry Gross, the show features intimate conversations with today's biggest luminaries.
Dr. Siddhartha Mukherjee says genetics play a significant role in identity, temperament, sexual orientation, and disease risk -- but that environment also matters. His new book is 'The Gene.' John Powers reviews the film, 'A Bigger Splash.'