What do you do when you buy a bottle of wine that, for one reason or another, is not to your liking? If the wine is sound and not spoiled in any way, but you just don’t like the style, you could always cook with it. But that’s impractical and costly. Instead, what if you could fix it in your own kitchen? Since you bought it to enjoy and don’t relish cooking with a $30 bottle of shiraz, maybe there’s a way to make it better. This happens to me often, especially with bottles that are not undrinkable, simply disappointing. In such cases, I resort to old tricks, ones I’ve used often. In one recent case, a wine was both a little high in alcohol, so it burned my mouth and throat, and a little sweet from the high alcohol. It tasted like it was close to 16 percent. (The …