Beijing is set to witness one of the largest diplomatic gatherings on Wednesday, with the world particularly focused on the participation of China’s President Xi Jinping, his Russian and Iranian counterparts, along with North Korean leader Kim Jong Un. While it will be Kim’s maiden participation in any multilateral event since he assumed power in 2011, it will also be the first time that the leaders of China, Russia, Iran, and North Korea will be at the same place, attending Beijing’s military parade to commemorate the Chinese victory against the Japanese aggression and end of World War II, as well...