...ake his main movement against the enemy's left by a strong column, that by a wide detour up the Rappahannock to Kelly's Ford (twenty-seven miles above Fredericksburg) should pass round Lee's flank to Chancellorsville ; while he resolved to mask this turning operation by forcing the Rappahannock near Fredericksburg with a considerable body, and ostentatiously threatening direct attack. He expected that the succes...