that was a major topic for him on the campaign trail. it's part of the democratic party platform here in south korea. and it marks a change from the conservative party rule, which you have seen in south korea for the last ten years. so now in the aftermath of this first provocation of president moon jae-in's tenure, he is sending a message to north korea saying that the south needs to let the north know talks will only be possible if the north changes its attitude. this comes after a north korean diplomat said north korea would consider the possibility of talks under the right conditions. of course, you have heard similar rhetoric in recent weeks from washington, where top administration officials have said there could be a possibility for talks with pyongyang if pyongyang met certain benchmarks in the process of denuclearization. what we're hearing from washington now in the aftermath of this latest ballistic missile launch is yet again a call on all countries to strictly enforce all sanctions against north korea. that is a cornerstone of president trump's policy now in