In 1944, U.S. General George S. Patton was champing at the bit to lead the Allied D-Day invasion of German-occupied France. Instead, the Supreme Allied Commander in Europe, Dwight D. Eisenhower, put Patton in charge of a decoy unit, the First U.S. Army Group. It would be almost seven weeks before Patton, known for his unruly demeanor and tendency toward vulgar speeches, got his chance to take the Third Army into battle. When he did, he took the unit...