The ID.4, VW’s answer to Tesla’s popular Model Y. Photo: Jens Schlueter/Getty This is a story of cutthroat technological war, unfathomable corporate animus, a new kind of economic nationalism, and great power competition between the two most powerful leaders in the world. The likelihood is that the rare drama will end in a settlement that could lay low one of South Korea’s most powerful companies. But before then, it is a nerve-wracking spectacle that reflects the newfound tension rife in international batteries and electric cars. In a case involving two relatively unknown South Korean ...