Review: 'Show Boat' at Kennedy Center Opera House is worth the ride

I was on the fence about "Show Boat" when I sat down at the Kennedy Center Opera House on Saturday night, and I was still on the fence after the first 15 minutes or so of Francesca Zambello's production. Don't get me wrong. I have no problem with the idea of opera companies staging American musicals. Indeed, I find it pretty hypocritical to criticize it, given that most people who wring their hands at the sullying of the operatic temple would sit through "Die Fledermaus" or "Daughter of the Regi...