... was with Johnston; it appeared, however, that he had been hovering around Fredericksburgh, on the Rappahannock, watching a division of McDowell, who held the nucleus of a force destined to march on Richmond from the west, while McClellan made his attack on the east. Knowing that McDowell dared not move alone, and that Shields threatened to annihilate Jackson, Ewell had wisely crossed the Ridge and ha...