I used to think that the Civil War ended at Appomattox. But the next 150 years of conflict – including the events of recent months – make it clear how naive I was. Yale historian David Blight explains how the nation dropped the ball when it abandoned Reconstruction and set about reconstructing history itself, embracing some convenient myths and turning its back on civil rights and African Americans. In the second part of the show, Pulitzer prizewinner Tony Horwitz reflects on confederate nostalgia, the Lost Cause tradition and "How the South Lost the War but Won the Narrative."