Katsuji Nakazawa is a Tokyo-based senior staff and editorial writer at Nikkei. He spent seven years in China as a correspondent and later as China bureau chief and was the 2014 recipient of the Vaughn-Ueda International Journalist prize.

During the fourth plenum of the Chinese Communist Party's 20th Central Committee later this month, supreme leader Xi Jinping will have a lot of work to do if he is to fill all the Central Committee seats left open by a series of purges. (Nikkei montage/Source photos by Xinhua/AP and Yususke Hinata)
How will Xi Jinping maintain balance of power within Chinese military?