...d with compassion and give his warning. Grant smiled as he read the message, and said: It means that Bragg is intending to run away. Longstreet's departure to assail, Burnside's force, then at Knoxville , and the fear that Bragg might go, had induced Grant to order an attack some days before he was ready; but as Thomas, for want of horses, could not then move his artillery, Grant delayed his order. ...