Blended red wines – they are the best of wines, they are the worst of wines. Have you ever been in a wine shop and seen gallon jugs of “Burgundy” for less than ten dollars? Those wines bear little (okay, no) resemblance to the fine wines of the French region with the same name. Jug “Burgundy” often comes from California’s Central Valley and is a blend of high yield Barbera, Petite Sirah and other red varietals. Wine snobbery is never a good thing, but these wines are just awful. But blended reds are not created equal. Some of the world’s…