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.

The diplomatic tussle China embarked on after Japan's Sanae Takaichi mentioned a Taiwan contingency took a twist when Xi Jinping and Donald Trump spoke by phone on Nov. 24. (Nikkei montage/Source photos by Yusuke Hinata, Mayumi Tsumita and Reuters)
Prime minister can take a page from the playbook of Shinzo Abe, her mentor