(2nd LD) S. Korea, U.S., Japan agree to work together to deter SLBM, other N.K. provocations

(ATTN: UPDATES throughout with quotes, details, background) By Chang Jae-soon WASHINGTON, Dec. 3 (Yonhap) -- The chief nuclear envoys of South Korea, the United States and Japan agreed Thursday to work together to deter North Korea from submarine-lau