In Taiwan, voters are preparing to cast ballots Saturday in a high-stakes presidential and parliamentary election that’s being closely watched by China and the U.S. Three candidates are in a tight race to succeed President Tsai Ing-wen, who is not eligible to run again after serving her two four-year terms. The election could help decide whether Taiwan continues to assert its autonomy and strengthen ties to the U.S., moves closer to China, or takes what one candidate calls a “middle path.”