Most of the world drinks brandy—if they drink it at all—as an after-dinner digestif, and in most of the United States, its popularity is limited. But Wisconsinites love the stuff. We use it instead of whiskey or gin in classic cocktails such as the Old Fashioned, Manhattans, and martinis. We freeze it and mix it with sweet tea and juice to make Wisconsin’s version of sangria, the Brandy Slush, and blend it with ice cream and crème de cacao to make a Brandy Alexander, which in Wisconsin is an ice-cream…