Taiwanese voters go to the polls on Saturday, in the most contentious elections since Taiwan’s transition to democracy. President Tsai Ing-wen, from the ruling Democratic Progressive Party, is in a three-cornered race with the Kuomintang’s Han Kuo-yu - a political dark horse who shot to fame last year, by winning the Kaohsiung mayoral vote. Meanwhile, James Soong, who’s a veteran on his fifth presidential bid, brings up the rear. Dr Wu Shang-Su - a research fellow at the S. Rajaratnam School of International Studies, at Nanyang Technological University shares more.