Theater review: Goodspeed’s ‘White Christmas’ unexpectedly exhilarating despite shaky start

Theater review: Goodspeed’s ‘White Christmas’ unexpectedly exhilarating despite shaky start

It’s time for another Christmas-themed musical at the Goodspeed Opera House. Just as importantly, it’s time for another musical about people in love putting on a show in a barn. Goodspeed is good at both of these reliable musical theater genres. On the Christmas side, recent seasons have wrought “A Christmas Story,” “Christmas in Connecticut” and the homegrown “A Connecticut Christmas Carol.” The previous Broadway-in-a-barn bit was “Summer Stock…