Beijing has built military capacity and strengthened political resolve but needs to project a more credible deterrence as it steps up unification with Taiwan over the next five years, according to a mainland Chinese policy adviser. Li Yihu, dean of the Taiwan Research Institute at Peking University, said the reunification process would enter an “accelerated phase” in the next five years and the mainland needed to do more to communicate an understanding of what he said was the inevitability of...