Unification Minister Chung Dong-young called Friday for shifting away from an approach that sticks to denuclearization as the sole solution to the North Korean nuclear issue, saying such a precondition has been one of the reasons for stalled diplomacy with Pyongyang. Chung made the remarks in a keynote speech at a forum, co-hosted by Yonhap News Agency, pointing out that the lack of progress in nuclear diplomacy has only helped the North bolster its nuclear and weapons capabilities for the past