She's a lucky dog indeed. The female pit bull brought to the Atlanta Humane Society on Wednesday with a hunting knife lodged in her skull is improving nicely from surgery and may soon be adopted into a new home. The 28-pound dog required three stitches on her head after the knife was removed, along with a couple on her side, the AHS said. She'll be spayed and kept for observation for a few days, but could be heading home next week, AHS president Carl E. Leveridge said. He has tried without luck to contact the dog's owner, and suspects that...