Text size Celebrity wine and spirit brands are now so ubiquitous they seem to be almost a rite of passage. For some, though, the stereotype of a vanity project doesn’t quite fit. “We started our endeavor in the oldest way possible: We started in the dirt,” says former National Football League quarterback Drew Bledsoe. After his playing career ended, Bledsoe and his family returned to his hometown of Walla Walla, Wash., starting the aptly-named Doubleback Winery. “We purchased a piece of land and planted vines. Our kids actually helped plant vines with us back in 20...