Taiwan's President Tsai Ing-wen delivers a speech before traveling to visit Central American allies including a U.S. transit, Saturday, Jan. 7, 2017, at the Taoyuan International Airport in Taouyuan, Taiwan. Tsai pledged to bolster Taiwan's presence on the international stage on her visit four Central American allies on a trip that includes U.S. transits and looks set to raise China's ire.