Because the independent counsel law gave someone with that title much more power than a special counsel. Trump can fire Mueller, Clinton couldn’t fire Ken Starr, for instance.
No need to fire Mueller, POTUS needs to keep him to clean his name once and for all. I understand that Pres. TRUMP has an army of top notch lawyers and I am pretty confident, they are already on top of this.
TRUMP Inc., is known for an very aggressive and successful legal challenges on many issues.
To build an real estate empire in New York, one has to have steel balls to pull it off. DJT is no push over, he is a fighter.
The ascent to the Office of the President is the crown jewel of his carrier and legacy.To let that get destroyed by political hacks is not Donald Trump...he likes to win remember?