4 things to know about Taiwan's 'crucial' election — and where the U.S. fits in

Taiwan is preparing for a momentous election. (I-Hwa Cheng/AFP via Getty Images)

TAIPEI, Taiwan — Nearly 20 million voters will head to the polls on Jan. 13 in Taiwan, in a presidential election that analysts say will be "crucial" for the future of the Asian island and its relationships with both the United States and China.

Here's a brief guide to understanding what's at stake.