...pportunity of carrying the enemy's stronghold should be allowed to escape, through fault of his, Grant now sent his chief of staff, with McClernand's note, to McPherson, indorsing on it an order for Quimby 's division (all of McPherson's corps then available, except one brigade), to report to McClernand. The dispatch was sent to McPherson, to satisfy him of the necessity of an active diversion on his ...