Oh yes. Acting chief of staff, as well as acting defence secretary and acting AG.
He's basically saying to the senate, unless you appoint whoever I demand, I'll appoint a lawless Trump supporter to the seat, however damaging and unqualified they might be.
He is shredding the processes which are intended to protect the country against a tyrant.
The only person who might stop him is Mueller. At the moment, the US has a king. And a mad one at that.