Across the South grocery stores are introducing a Mexican product that is reaching cult status. A product as American as well… Coca-Cola.  Only this time more “authentic” than the ones you can buy in your local corner mart or vending machine.  Mexican Coke’s main appeal is not only the old fashioned bottle and logo but, it’s use of real sugar as a primary sweetener. Since the early 1980’s most American colas changed their primary sweetener from cane sugar to high fructose corn syrup.  This move was in part to save money as well as insure a longer more stable shelf life. Seems there is a growing segment of the population is now calling out for “old glory” in the form of a Mexican bottle…