A quick note that I only thought of after my original post: Judge Vanaskie is listed as participating in the vote on whether to grant rehearing en banc, although he took senior status effective November 30. I would have thought that whether a judge participated in a vote on whether to grant en banc rehearing was determined by his status on the date of the decision (today), not on the date the rehearing petition was filed (presumably before November 30). It seems I would have been mistaken.
The relevant procedure, IOP 9.5.3, doesn’t clearly answer this point, saying, “Pursuant to 28 U.S.C. ‘ 46(c), only active judges of this court may votefor rehearing en banc. Therefore, rehearing en banc shall be ordered only upon the affirmative votes of a majority of the judges of this court in regular active service who are not disqualified.”
(An obscure point perhaps, but it wouldn’t be all that far-fetched to imagine Judge Vanaskie being the decisive seventh vote in favor of rehearing here.)