...the disease known as secession, and he got control of it by means of counter-irritation. Wilmington was captured on the 22d of February. An addition was now made to our staff in the person of Captain Robert T. Lincoln , the President's eldest son. He had been graduated at Harvard University in 1864, and had at once urged his father to let him enter the army and go to the front; but Mr. Lincoln felt that this would ...