*gulp*
https://www.lawfareblog.com/terrible-arguments-against-constitutionality-mueller-investigation
Calabresi has made his argument in a Wall Street Journal op-ed, on a Federalist Society teleconference and in a more detailed paper he styles as a “Legal Opinion.” He contends that all of Special Counsel Mueller’s work is unconstitutionally “null and void” because, in Calabresi’s view, Mueller’s appointment violates the Appointments Clause of the Constitution, Article II, Section 2, Clause 2.
The Appointments Clause distinguishes between two classes of executive-branch “officers”—principal officers and inferior officers—and specifies how each may be appointed. As a general rule, the clause says that “Officers of the United States”—principal officers—must be nominated by the president and appointed “with the Advice and Consent of the Senate.” At the same time, however, the Appointments Clause allows for a more convenient selection method for “inferior officers”: It goes on to add, “but the Congress may by law vest the Appointment of such inferior Officers, as they think proper, in the President alone, in the Courts of law, or in the Heads of Departments.”
Calabresi argues that Special Counsel Mueller is acting as a principal officer and that, accordingly, Mueller’s appointment violates the Constitution because Mueller was appointed by the acting attorney general, and not by the president with the advice and consent of the Senate. In support of this broad point, Calabresi makes first a specific claim and then a more general one.
His specific claim, made at the outset of his “Legal Opinion,” is that “Robert Mueller has behaved like the 96 [sic] U.S. Attorneys who are principal officers of the United States and who must be nominated by the President and confirmed by the Senate.” His more general, and overarching, claim is that under Supreme Court case law applying the Appointments Clause, Special Counsel Mueller is a principal officer because “because Mueller does not have a boss who is supervising and directing what he is doing.”