Attorney General Wiliam Barr considering resigning if the president keeps tweeting – The Washington Post

The attorney general has communicated his posture to people inside and outside the White House, officials say, though it is unclear what he has told President Trump directly.
— Read on www.washingtonpost.com/politics/trump-raises-possibility-of-suing-those-involved-in-prosecuting-roger-stone/2020/02/18/238279fc-5250-11ea-9e47-59804be1dcfb_story.html

Trump is not a negotiator, so this should be easily decided.