...ffect that the Hon. John Cochrane, of New York, was serenaded on the night of his arrival in Richmond. How this report originated we are not prepared to say; but there is no truth in it whatever.-- Col. Lay , a gallant son of Virginia, was serenaded at the Exchange Hotel on the night alluded to, and after he had appropriately acknowledged the compliment, Mr. Cochrane was called on to make a speech by som...