Taiwan President Tsai Ing-wen announced her resignation as leader of the ruling Democratic Progressive Party on Saturday following her party's disastrous defeat in key mayoral elections the same day, races viewed as indicators of voter sentiment ahead of the next presidential and island-wide legislative elections in 2020.Among DPP candidates so far to concede defeat were incumbent Taichung Mayor Lin Chia-lung, and Chen Chi-mai, the ruling party candidate for mayor of Greater Kaohsiung, Taiwan's third-largest city and a long-time DPP stronghold.The Central Election Commission website showed …READ FULL ARTICLE