Cheng Li-wun, chairwoman of the Kuomintang
In April, the leader of Taiwan’s main opposition party traveled to mainland China for a red-carpet six-day tour, the first such visit in nearly a decade. Officials treated Cheng Li-wun, chairwoman of the Kuomintang, or KMT, to high-level meetings and a Shanghai river cruise. Beijing is trying to exert more influence on the ground in Taiwan. One way it hopes to do that is by working with Cheng, a 56-year-old former legislator and TV talk-show host who emerged unexpectedly last year as the head of the opposition in Taiwan and a possible future presidential candidate. Tall and telegenic, with smartly tailored suits, she has a delivery so forceful that organizers of a press briefing late last year stopped to re-test three microphones before concluding she simply speaks at what local journalists described as “talk-show volume.” “Many friends in the international media have asked me whether I am pro-China or pro-U.S.,” Cheng said during a party meeting in Taipei. “I ask in return...