Constitutional Crisis?
Will he fire Mueller or won't he, no one really knows for sure yet. This will create a Constitutional Crisis with a drama that may carry negative reactions. Last year Trump returned to the idea, and in a desperate effort his legal team to stop him.
Trump has wanted to fire Special Counsel Robert Mueller but backed off when his White House counsel threatened to resign, according to The New York Times and The Washington Post
Trump Ordered Mueller Fired but Backed Off When White House Counsel Threatened to Quit https://nyti.ms/2FkmrsD