We're looking at the life and legacy of one of the American Revolution's greatest villains, Benedict Arnold, and we'll find out how his name became synonymous with treachery and betrayal. Featuring: Dr Eliga Gould, Harmsworth Professor of American History at Oxford; Dr Tom Sebrell, history lecturer at University College London; Dr Charlene Boyer-Lewis, professor of history and director of American Studies at Kalamazoo College, Michigan, and author of the upcoming ‘Traitor, Wife: Peggy Shippen Arnold and Revolutionary America’; and Emma Parry, author of the upcoming novel ‘Mrs Benedict Arnold’.