Herman Melville, E.M. Forster, Eric Crozier and Benjamin Britten all believed that “Billy Budd” was set at sea. Czech theatre director Daniel Špinar thinks otherwise. His new four-act production of Britten’s psychologically fascinating, demonstrably homoerotic and deeply disturbing drama for the National Theatre in Prague had as much to do with HMS Indomitable as “Madama Butterfly” moved to Mozambique. In the {…}