My comment: "领导人." It ain't over till the fat lady sings
en.wikipedia.org/wiki/It_ain't_over_till_the_fat_lady_sings
(2) Tsai Ing-Wen.Time (edition for "Asia, South Pacific": Vol 185, No 24), June 29, 2015 (online publication June 18, 2015).
time.com/magazine/south-pacific/3926185/june-29th-2015-vol-185-no-24-asia-south-pacific/
Emily Rauhala, ‘The Next President Of Taiwan.’ (feature story)
(first paragraph: "That’s how Tsai Ing-wen refers to herself. But will the island’s voters agree?")