US President Donald Trump and South Korea’s new president Lee Jae-myung agreed to work toward a swift tariff deal in their first phone call since Lee

(Reuters) -South Korea has elected liberal Lee Jae-myung as president to lead the country through a tumultuous period that will require negotiating trade tariffs with the U.S. and mending the scars from his ousted predecessor's shock martial law declaration.

Korea watchers want to know, as the American leader spends an hour and a half on the phone with the Chinese party boss, Xi Jinping.