Once Is Not Enough: The Insufficiency of Once
Steve Kazee and Cristin Milioti in 'Once.' (Photo by Joan Marcus) Before reckoning with the new, exceedingly lovely, and disappointingly thin Broadway musical Once, which opened Sunday night at the Bernard B. Jacobs Theatre, let us first discuss what might be called the War Horse Insufficiency. The symptoms of this malady are stunning stagecraft and a lack of compelling story or emotional richness, a visual d…