... disembark the army of the Potomac, advised Pope not to leave the Rappahannock, promising him speedy and powerful reinforcements. On the 21st, the whole of Lee's army—Jackson on the left, Longstreet on the right—presented itself before the Rappahannock. A brisk cannonade was engaged on both sides of the river, which was continued the whole day, but the Federals were everywhere on their g...