William W. Freehling is one of America's leading historians. His groundbreaking works on slavery and the years leading up to the Civil War have earned him numerous awards and prizes. His first book, Prelude to Civil War: The Nullification Controversy in South Carolina, 1816-1836, was hailed as one of the most significant studies of the pre-Civil War era, and earned him the prestigious Bancroft Prize and the Allan Nevins Prize for history. And his...