South Korea's top envoy to the United States pledged Tuesday to work closely with the U.S. to foster conditions needed for the resumption of diplomacy with North Korea , amid uncertainty over whether Pyongyang would accede to dialogue overtures. New Ambassador Kang Kyung -wha, who served as Seoul's foreign minister from 2017-2021, made the remarks during her first meeting with Korean correspondents since taking office last month. "While closely communicating with the U.S. side, (we) will