The Great Textbook War

What is school for? Over a hundred years ago, a man named Harold Rugg published a series of textbooks that encouraged students to confront the thorniest parts of U.S. history: to identify problems, and try and solve them. And it was just as controversial as the fights we're seeing today. In this episode: a media mogul, a textbook author, and a battle over what students should – or shouldn't – learn in school....