Gotta be Trump related:
https://www.politico.com/magazine/story/2018/10/31/has-robert-mueller-subpoenaed-trump-222060
Key date from this article: Oral arguments are set for December 14 (!)
Key recusal from this article: That is itself telling (this witness believes the case demands very special handling), but the order disposing of the petition is even more telling: Trump’s sole appointee to that court, Gregory Katsas, recused himself. (!!!)
https://www.politico.com/magazine/story/2018/10/31/has-robert-mueller-subpoenaed-trump-222060