Okinawa’s election on Sunday of a governor backed by Japan’s ruling party ended 12 years of local leadership opposed to the relocation of a US airbase and elements of Tokyo’s defence build-up plans. While experts say that Genta Koja’s victory will not give Tokyo any new military authority in the region, it could lead to closer integration of civilian infrastructure into Japan’s defence network in case of a conflict – including one over Taiwan. Koja’s election would give Tokyo “room to expand its...