North Korea’s decision to send a record delegation to the 2026 Asian Games in Japan could serve as a calculated opening for limited diplomacy with Washington and Tokyo, even as major obstacles to formal talks remain. State media reported on Wednesday that a delegation led by Kim Il-guk, North Korea’s sports minister, had left for Japan to attend the Games. The 20th Asian Games are being held in Nagoya and surrounding Aichi prefecture and run from Saturday to October 4. North Korea’s 180-strong...