Things change for a myriad of reasons; what was once buying for Thanksgiving, has become shopping for Thanksgiving.  The cost of everything from toothpicks to the big bird itself has increased so shopping to find the best prices is currently the rule.  One area where there has seen little change in prices are the sparkling wines.  Champagne, the queen of sparkling wines, is elegant, beautiful and usually quite expensive. There are, however, worthy alternatives; Italian prosecco and Spanish cava.  Neither of these wines is an imitation of champagne but rather another version of the same theme. Most often, they are...