Did you see a mysterious flash of light and hear a loud bang early Sunday morning? A lot of people have and no one knows what caused it. The truth is out there.

Although it may seem unnecessary to say so, sometimes opera can be fun. Italian comic opera can be musically formulaic, simplistic in plot, and even thin on entertainment. However, the best examples, when presented well, are irresistibly light-hearted. Washington National Opera’s production of Gaetano Donizetti’s L’Elisir d’Amore is just that. Yes, it’s a silly story and the characters are flimsy, the staging is a reprise of Stephen Lawless’s 1997 version — altered in minor ways…