At the Princeton Festival’s June 12 “Madama Butterfly” staged at Morven—the former governor’s mansion in Princeton, New Jersey—the Cio-Cio-San the audience watched was not the Cio-Cio-San it heard. The headliner, Toni Marie Palmertree, sidelined by a vocal infection, acted the role onstage while Brenna Markey sang it amplified from behind the set through speakers. Ironically, the staging presented two stories {…}