HomelandYou have to marry outside your clan, she said. That's law. All the people we knew were Bird Clan. All the others were gone. When Gloria's great grandmother, Green Leaf, left her home in the Hiwassee Valley of Tennessee, it was with a man on a stolen horse. She was one of the fugitive bands of Cherokee who'd resisted capture long ago. Decades later, her family takes Great Mam on a road trip home. But the place that holds the scattered bones of her