(LEAD) (Yonhap Interview) U.S. commitment to alliance with Korea won't change no matter what happens in election: senator

(ATTN: CORRECTS abbreviation for Mississippi in para 2)By Chang Jae-soon and Roh Hyo-dong

WASHINGTON, May 6 (Yonhap) -- The United States will remain firmly committed to the alliance with South Korea "no matter what happens" during the presidential