The hippest thing to hit Switzerland next year, according to the magazine our grocery store sends us every week, will be switchel, a drink that has already taken New York by storm and, in all likelihood, fallen out of favor there by now, replaced by the latest fad. Does anyone still remember the cronut?Switchel is a mix of apple vinegar, lemon juice, ginger and maple syrup. Claims to hipness are one thing. Switzerland doesn’t do it very well. It’s a profoundly unhip country and isn’t much bothered by it. Maple syrup...