South Korea’s Lee faces pivotal test at first summit with Trump

South Korea relies on US security support, and Lee seeks to balance ties by cooperating with Washington without straining relations with key trade partner China.

South Korea’s new president, Lee Jae Myung, will face a pivotal moment on Monday when he meets US President Donald Trump in Washington for their first summit, as the countries’ decades-old alliance strains to confront rapid geopolitical changes.