...ing, state that it was reliably ascertained at that point on Monday, that McClellan, with 40,000 men, had arrived at Fredericksburg, and was attempting to join Pope, having come up in time to prevent Burnside 's retreat from becoming a total rout. It is stated that the demoralization in the Yankee army is great, the officers fearing to enter up on a battle, lest they might be captured and subjected t...