...ed McClellan's assaults. Lee, by way of excuse for not having adopted this plan, has alleged the impossibility of bringing to the rear in time the supply-trains which were crowding on the road from Chambersburg to Gettysburg: this excuse does not seem to us to be admissible, for the same trains were able to retrograde, without obstruction, during the night of the 4th and 5th, and such a movement would have ...