..., my last despatch, up to twelve o'clock, was favorable, and I lay down expecting a great victory to-day; but this morning, at four o'clock, I was waked by a courier, with the news that our forces at Fort Donelson were surrounded, and must surrender. They are not made of steel. Our soldiers have fought as bravely as ever soldiers did; but they cannot hold out day after day, against fresh forces and such od...