In honor of the centennial of America's entrance into World War I - April 6, 2017 - noted author and historian Andrew Carroll discusses his latest book, My Fellow Soldiers: General John Pershing and the Americans Who Helped Win the Great War. The book portarys an intimate portrait of the General, who led the American Expeditionary Forces during the First World War. Using many letters and diares, Carroll pays a touching tribute to General Pershing and the many Americans who fought during the Great War.