Taiwan's opposition presidential candidate Tsai Ing-wen (C) of the Democratic Progressive Party (DPP) waves to supporters while campaigning through the streets of the central Taiwan city of Taichung on January 10, 2012. Tsai is challenging incumbent Ma Ying-jeou in the January 14 vote in her bid to become Taiwan's first female president.    AFP PHOTO / PATRICK LIN (Photo credit should read PATRICK LIN/AFP/Getty Images)