A scene from Laura Kaminsky’s ‘The Post Office’ at the Brooklyn Academy of Music (Photos by Julieta Cervantes) NEW YORK — With conciliatory social awareness, Laura Kaminsky’s new opera The Post Office ran May 16-21 at the Brooklyn Academy of Music’s Fisher Space with a Kafka-esque wall of mail crates, an impressive cast of singers, and well-crafted music. It portrays the gay-marriage debate with nothing new to say.