Giovanna Ferrari (age 42), an unmarried, svelte, savvy, and sable-haired African-Sicilian American, runs Ferrari Repair with her grandfather Franco in the colorful town of Kingstown (population 3,721) in Gray County, Virginia, a county trapped between the Blue Ridge and Appalachian Mountains and forgotten by time, interstate highways, cell phone companies, and high-speed Internet providers. While other Gray County girls were learning how to cook,...