JoEllen's parents divorced when she was very young, so she was used to splitting her time between them, shuttling four blocks from one Cincinnati apartment to another. But when her dad moved to the old family farm last year, her life was suddenly divided. Now on weekdays she's a city girl, called Ellen, who hangs out with her friends, plays the sax, and loves old movies. And on weekends she's a country girl, nicknamed Joey, who rides horseback with...