With ‘Love Potion,’ Long Beach Opera serves a refreshing, if icy, brew

If so far you’ve enjoyed about a dozen versions of “The Marriage of Figaro,” or decided you’ve sat through your last “Ring” cycle, or even seen a production or two of Richard Wagner’s “Tristan und Isolde,” then the West Coast premiere of “The Love Potion (Le Vin Herbé)” may pique your opera-going interest.
On the other hand, if you’re new to opera, know that this one is not your grandparents’ grand opera. Curren