South Korea and Japan have been feuding over a pair of tiny, barely inhabited (and even then, only to gain an upper hand in the dispute) volcanic islands almost exactly halfway between the two countries for over half a century. So naturally, the former used the upcoming Winter Olympics in Pyeongchang to flout their current control. And, well, it didn’t go unnoticed by the latter. In 1905, Japan incorporated the islands, which it calls Takeshima, into Shimane prefecture, citing centuries-old territorial rights. But following post-World War II peace treaties, Korea drew up new borders that included the islands, known there as Dokdo, stationing members of the coast guard (and a single citizen couple) on the rocky cliffs. The two countries also disagree over whether the water surrounding…