An Award-Winning Historian Dramatically Re-Creates a Turning Point of the Civil War It was one of the most startling events of the civil war, the "hour of destiny" for the Union. Faced with the prospect of catastrophic defeat, the North's greatest generals-Ulysses Grant, William Tecumseh Sherman, George Thomas, and Phil Sheridan-were commanding a battle for the besieged city of Chattanooga, Tennessee. Suddenly, as an aghast Grant and Thomas watched,...