...that Hooker did not intend to attack, I withdrew to the west side, and marched to the Potomac. As I was leaving the Blue Ridge, I instructed General Stuart to follow me, and to cross the Potomac at Shepherdstown , while I crossed at Williamsport, ten miles above. In reply to these instructions, General Stuart informed me that he had discretionary powers from General Lee; whereupon I withdrew. General Stua...