A woolen flag with cotton stars flew the night Gen. Thomas "Stonewall" Jackson caught a bullet in the arm -- a quiet witness to one of history's great accidents. You can see it inside a case on the third floor of the N.C. Museum of History, hanging over a Confederate ammunition chest recovered from a Johnston County farm: the flag carried by the regiment that inadvertently shot the man who was arguably the South's No. 2 general. The museum just bought the flag for a price Curator of Military History Tom Belton would describe only as a bargain. Any price...