Ron Chernow is the Pulitzer Prize-winning writer who wrote the biography which became the inspiration for the record-breaking, hip-hop Broadway musical Hamilton. Chernow joins Roxanne to talk about his latest expository biography on Ulysses S. Grant. Chernow reveals that after getting thrown out of the Army for drinking on payday, Grant must beg his father for a menial job selling leather goods while working below his two younger brothers.