Review: Berlin Takes Wagner’s Approach to Staging the ‘Ring’. Opera, Berlin State Opera, Kampe, Anja, Kranzle, Johannes Martin, Mahnke, Claudia, Schager, Andreas, Tcherniakov, Dmitri, Villazon, Rolando, Thielemann, Christian, Volle, Michael, Der Ring des Nibelungen (Opera), Barenboim, Daniel, Wagner, Richard