At Volokh Conspiracy, Josh Blackman has a four-part series on the oral arguments in the disqualification case:
Oral Arguments in Trump v. Anderson Part I: Justice Gorsuch Gets "Officers of the United States"
Oral Arguments in Trump v. Anderson Part II: Justice Jackson Gets "Office under the United States"
Related: He also has thoughts about some issues that came up at the originalism works-in-progress conference in San Diego, where he, Will Baude and Michael Paulsen presented their disqualification papers (unfortunately Seth Barrett Tillman was unable to attend):
Blackman & Baude & Paulsen at San Diego Originalism Works-in-Progress Conference
A Reply To Sam Bray: The Drafting History of the Impeachment Clause
Why Does The Phrase "Not Herein Otherwise Provided For" Appear In The Appointments Clause?
New Thoughts On The Timing In The Section 3 And Criminal Immunity Cases
Posted at 6:22 AM