Growing up in Alabama, I use to hear stories about Lucy Cade, my great-grandmother, living off the land, the water, and the air she breathed. Everyone would say, "She always said, 'If God can feed the birds and bees, I know He can feed me. God has given us everything we need. All we need to do is figure out what to do with it.'" She was supposedly an expert with a gun and a knife, and carried them with her wherever she went because she wasn't afraid to take on anything or anyone if it got in her way. She could skin a snake and never cut the flesh, could out-shoot any man, rode a horse like a...