Isolated pockets in Central Appalachia have three times the national poverty rate, an epidemic of prescription drug abuse, the shortest life span in the nation, toothlessness, cancer and chronic depression. But also in Appalachia young fighters and dreamers filled with hope struggle to survive: a high school football superstar who sleeps in his truck; a 12-year-old who wants nothing more than her own bed and a cupboard full of food; an 18-year-old...