Robert E. Lee gave Joseph E. Johnston an impossible task.Federal armies under Maj. Gen. William Tecumseh Sherman had rampaged through Georgia on their ""March to the Sea"" and now were cutting a swath of destruction as they marched north from Savannah through the Carolinas. Locked in a desperate defense of Richmond and Petersburg, there was little Lee could do to stem Sherman's tide-so he turned to Johnston.The one-time hero of Manassas had squabbled for years with Confederate President Jefferson Davis, eventually leading to his removal during the Atlanta Campaign. The disgraced Johnston had f