...en nearly to the wall. We must help ourselves all we can, and, besides, invoke the aid of Almighty God! We have nothing fresh from Bragg-nothing from Vicksburgand that is bad news. I like Gen. Rains . He comes in and sits with me every day. Col. Lay is the active business man of the bureau. The general is engaged in some experiments to increase the efficiency of small arms. He is very af...