Barbara Stanwyck, a theatre, a diva, a princess and a double-murder. This packs quite a lot into an amiable and lively ninety minutes. The local opera house has long since lost it’s lustre as a venue for Verdi and Puccini, much to the chagrin of “Lolita” (Victoria Faust) who is less than impressed that “Dixie” (Stanwyck) is now topping the bill wit…