Ed Whelan has two further posts (here and here) criticizing Judge Posner's review of the new Scalia/Garner book (among other things calling the review "laughably incompetent").
His series of five posts are collected together here.
UPDATE: At Concurring Opinions, Kyle Graham reveals Recent Unsent E-Mails from Antonin Scalia to Richard Posner, as Retrieved from Justice Scalia's "Deleted E-mail" Files.
Posted at 7:00 AM