The Constitution says nothing about a First Lady. As far as I know, the statute book doesn’t, either. It is a status, not a government job. It does not come with a salary or legal responsibilities, and should not carry any special privileges other than physical protection.
The DOJ apparently thinks otherwise. It has filed suit to enforce an NDA involving a former friend of the First Lady. This is a purely private contractual matter that has nothing to do with the public interest, as no classified information is involved. To the extent that anyone should care about routine communications between FLOTUS and her friends, the law should favor public disclosures, not secrecy.
This is another obvious attempt by Barr to suck up to his boss. It’s a minor item, but it reflects Trump and Barr’s belief that l’etat, c’est le president, as it erodes the distinction between public and private conduct. It’s a precedent that needs to disappear as soon as Trump leaves office.