It was a weekend of eminent speechmaking, with back-to-back addresses by Chinese President Xi Jinping (習近平) and President Tsai Ing-wen (蔡英文). While neither strayed far from their usual scripts, the juxtaposed talks offer a glimpse into cross-strait strategy in the coming months, promising subtle politicking rather than bombastic displays. The speeches were delivered against a backdrop more fraught than usual, given China’s deployment of more than 150 aircraft into Taiwan’s air defense identification zone (ADIZ) this month, a record number that includes a single maneuver involvi...