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. He was the 2014 recipient of the Vaughn-Ueda International Journalist prize.

In the past, even China's top leader could not directly intervene in public security and police matters. That has changed under President Xi Jinping. (Nikkei montage/Reuters)
Leader hurries to consolidate command following 'white paper' and 'white hair' movements