...elegraphs that the enemy have moved away from Leesburg. Upon receiving this message McClellan caused to be telegraphed to General Stone, at Poolsville, Md. (upper Potomac): General McCall occupied Dranesville yesterday and is still there; will send out heavy reconnoissances to-day in all directions from that point. . . . Keep a good lookout upon Leesburg to see if this movement has the effect to drive the...