Andy Borowitz fills for Leonard Lopate. Neuropsychatrist Daniel Siegel explains what happens to the brains of a teenagers, and how that affects behavior and relationships. New Yorker contributor Calvin Trillin talks about his trip to Greenville, Mississippi, in search of great tamales and his fondness for the mozzarella from Joe’s Diary, which closed its Greenwich Village store in May. Michele Zackheim talks about her historical novel, The Last Train to Paris. Plus, find out what’s behind Gov. Andrew Cuomo’s push to ease restrictions on medical marijuana in New York.