Becoming Barack

For all his charisma and easy charm, Barack Obama struck many as somehow inscrutable. At the beginning of his second term, a poll revealed that over one third of Americans thought that Obama was hiding important information about his background and early life. A new book unearths more material on the former president than any other. Author and historian David J. Garrow joins The Agenda to discuss his comprehensive biography, "The Rising Star: The Making of Barack Obama."