(LEAD) (Universiade) Son Yeon-jae gives S. Korea first gold in rhythmic gymnastics

(ATTN: UPDATES with details throughout, quote at bottom; ADDS photo) By Park Sojung GWANGJU, July 12 (Yonhap) -- Son Yeon-jae won South Korea's first Universiade title in the individual all-around rhythmic gymnastics on Sunday. Son earned a combi