"In The Long Shadow of War, Pulitzer Prize-winning historian James M. McPherson considers why the Civil War retains such a hold on our national psyche and identity. Though the drama and tragedy of the subject, from the war's scope and size--an estimated death toll of 750,000, far more than all the rest of the country's wars combined--to the nearly mythical individuals involved--Abraham Lincoln, Robert E. Lee, Stonewall Jackson--help explain why the...