Taiwan’s main opposition Kuomintang (KMT) is showing signs of internal strain ahead of its leader’s planned visit to mainland China, with divisions over defence spending and ties with Washington and Beijing raising questions over the party’s strategic direction.KMT chairwoman Cheng Li-wun is set to go to mainland China with a delegation from April 7 to 12 on a trip that could include a meeting with Communist Party leader Xi Jinping.The trip comes as the party remains divided over a contentious...