Virginia is often heralded as the birthplace of American wine. But from colonial times through efforts made by Thomas Jefferson, those efforts were seen as a failure. The archetypical image of wine country—arid, rocky places—is not what one thinks of when conjuring images of wet, humid, Virginia summers.  But a few pioneering grape growers and winemakers have made huge strides over the past few decades, giving wine enthusiasts a taste for Virginia terroir.  Reporter Wilson Sayre explores this history and evolution of wine from the Old Dominion.