Wu Den-yih took office Sunday as the leader of Taiwan's main opposition Nationalist Party (KMT), a century-old party facing an uncertain future.Speaking at the KMT party congress, Wu, elected in May but not sworn in until now as party chairman, vowed to reform the KMT, unify its members and "return (the party) to power" by winning next year's nationwide local elections and the presidential and legislative elections in 2020.But to achieve that goal, Wu faces at least three immediate challenges.First is the party's policy toward mainland China. When Wu's predecessor, Hung Hsiu-chu, was the pa…READ FULL ARTICLE