SEOUL, June 1 (Reuters): South Korean President Moon Jae-in told U.S. President Donald Trump on Monday that he would willingly accept the American leader's invitation to join this year's Group of S

ABOARD AIR FORCE ONE, May 31 (Reuters): U.S. President Donald Trump said on Saturday he would postpone a Group of Seven summit he had hoped to hold next month until September or later and expand the list of inv