Susan Cheever dishes the dirt about Emerson, Thoreau, and Louisa May Alcott in her new book, American Bloomsbury. We’ll revisit the cultural scene in New Orleans — where standup comedy has made an unlikely comeback, along with the indie rock act Rotary Downs. And we’ll see what Sasha Baron Cohen, Stephen Colbert, and Sarah Silverman owe to the surreal comedy genius Andy Kaufman.