Katsuji Nakazawa is a Tokyo-based senior staff writer 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.

Xi Jinping is halfway to his goal of overtaking Deng Xiaoping, a leader who clashed with Xi's father and gained veneration for enriching China. (Nikkei montage/Reuters)
Unification would cement his legacy. Does he have a timeline?