... following items will show that our friends in the North west still continue to harass the Yankees in that section: A Train of Government Wagons Captured by the Rebels.--A friend writes us from Grafton that on last Sunday night, at half-past 11 o'clock, twenty armed Secesh attacked a train of twelve wagons at Jacksonville, Lewis county, Va., fifty miles from Weston. They fired at the drivers, wou...