Source : Richardson would be listening but not negotiating . Richardson spokesman : Renewable energy initiatives to be discussed on Thursday . The visit comes on the heels of former President Bill Clinton 's trip to North Korea to gain the release of two U.S. journalists held in Pyongyang . N. Korean envoys ' visit comes on heels of former President Clinton 's trip to N. Korea . Comment:
Source : Richardson would be listening but not negotiating . Richardson spokesman : Renewable energy initiatives to be discussed on Thursday . N. Korean envoys ' visit comes on heels of former President Clinton 's trip to N. Korea . Comment: