(2nd LD) N.K. capable of harvesting plutonium in weeks, on way to field KN-08 ICBM: DNI chief

(ATTN: UPDATES with State Department comment in last 2 paras) By Chang Jae-soon WASHINGTON, Feb. 9 (Yonhap) -- North Korea has run its nuclear reactor for long enough to harvest plutonium "within a matter of weeks to months" and Pyongyang is also bel