Suzan-Lori Parks & Ghostwriters — This week, 77 years after its debut, Porgy and Bess returns to Broadway, but this isn’t just another revival. The playwright Suzan-Lori Parks tells Kurt Andersen about how she turned the Gershwin’s landmark 1935 opera into a musical. We get ghostwriters to reveal the tricks of their trade. And what’s wrong with Mitt Romney the candidate? He looks too presidential.