China negotiations driven by economic need , desire for survival , experts say . On Friday , it destroyed the reactor 's cooling tower -- significant because the tower would take a year or longer to rebuild . North Korea , embarrassed by nuclear test , has prodded North Korea 's , expert says . the Center for Strategic and International Studies ' possible , experts say , but nation 's best interest is to be on West 's good side .
China negotiations driven by economic need , desire for survival , experts say . North Korea , embarrassed by nuclear test , has prodded North Korea 's , expert says . the Center for Strategic and International Studies ' possible , experts say , but nation 's best interest is to be on West 's good side .