...rning found General Halleck just getting into his carriage, which had been within call all night. I got in with him, and asked him to set me down at Mr. Seward's. He said that he must first stop at Mr. Johnson 's. Here the general went in to tell the new President that he must not go out without a guard; and this was the way he first knew of the post he then occupied. A few hours later he took the oath b...