...rd Centreville began, I sent orders to Brigadier-General Bonham by Lieutenant-Colonel Lay, of his staff, who happened to be with me, to march with his own and Longstreet's brigade (which were nearest Bull Run and the Stone Bridge), by the quickest route to the turnpike, and form them across it to intercept the retreat of the Federal troops. But he found so little appearance of rout in those troops as to...