...ssed the Potomac at Williamsport, pushed on through Hagerstown and, leaving Early at York, had passed to Carlisle; that Longstreet had followed him at Williamsport; and that A. P. Hill had crossed at Shepherdstown and pushed for Chambersburg, reaching there on the 27th of June. Hooker, falling rapidly back upon Washington-at which point he believed the movement aimed-had been sacrificed, and with more ju...