The proper response would have been that in view of such a biased and prejudiced opinion of the mediator, he could hardly be expected to be sufficiently impartial to ensure fair and balanced negotiations, and that he regretted this but must decline to intervene.
Comments
https://www.msn.com/en-us/news/politics/trump-demands-millions-for-15-minute-meetings-as-execs-scramble-to-stay-on-his-good-side/ar-AA1znHUr?ocid=msedgntp&pc=NMTS&cvid=34a5770f1fa9410ef679bde04be058c9&ei=20