(LEAD) U.S. sports envoy due in S. Korea to promote PyeongChang games
(ATTN: ADDS photo)
SEOUL, Feb. 4 (Yonhap) -- American snowboarder Chloe Kim will visit South Korea next week as a sports envoy for the State Department in a show of U.S. support for the ally's preparations to host the 2018 PyeongChang Winter Olympic G