The average American is likely to have preconceived notions about a 66-year-old man living with a bunch of hound dogs deep in the backwoods of North Georgia. His penchant for firearms is not likely to surprise anyone, nor is the somewhat menacing expression that occasionally manifests itself on his face when meeting strangers. But Rod Swanson, long-time huntsman of Shakerag Hounds in Hull, Ga., is a walking conundrum.