William W. Freehling is Singletary Professor of the Humanities at the University of Kentucky. He is the author of Prelude to Civil War, which won a Bancroft Prize in 1967, and The Road to Disunion: Secessionists at Bay, the first in a projected two-volume study, which won the Owsley Prize in 1991. Craig M. Simpson is Professor of History at the University of Western Ontario and the author of A Good Southerner: The Life of Henry A. Wise of Virginia.