The musical "Harmony," the lovechild of pop music greats Barry Manilow (music) and Bruce Sussman (lyrics and book), has opened at a time when anti-Semitism has peaked once again and lessons to the contrary are in short supply. Harmony's dive into Nazi era anti-Semitism, though, may fall on deaf ears, but Harmony is also very much an entertainment, not a message show. Certainly, Manilow and Sussman couldn't have p…
