前外交部副部长千英宇曾在2010年警告美国官员，修改核合作协议或许很快会成为韩美关系中的“决定性要素 ” ， 并且正在吸引“大量的负面媒体关注 ” 。
Former Deputy Foreign Minister Chun Yung-woo warned an American official in 2010 that revising the Nuclear Cooperation Agreement could soon become a “defining issue” in South Korea-US relations, and that it was already attracting “significant amounts of negative press attention.”