The Smithsonian's National Museum of American History houses, amid its illustrious artifacts, two bottles of wine: a 1973 Stag's Leap Wine Cellars Cabernet Sauvignon and a 1973 Chateau Montelena Chardonnay. These are the wines that won at the now-famous Paris Tasting in 1976, where a panel of top French wine experts compared some of France's most famous wines with a new generation of California wines. Little did they know the wine industry would be...