"May 1863. The Civil War was in its third spring, and Confederate Lt. Gen. Thomas Jonathan Jackson stood at the peak of his fame. He had arisen from obscurity to become "Old Stonewall," adored across the South and feared and respected throughout the North. On the night of May 2, however, just hours after Jackson executed the most audacious maneuver of his career and delivered a crushing blow against an unsuspecting Union army at Chancellorsville,...