...us dividing the Confederacy again, as had already been done when the Mississippi was opened the year before. Mobile was the point he desired to strike, and a co-operative movement, under Sherman or McPherson , was designed, to secure that place as a new base for his army, when it arrived. On the 15th of January, two months before Grant became general-in-chief, he said to Halleck: I look upon the next li...