(CNN)With only a few days left in February, court watchers are trying to read tea leaves as to the identity of President Joe Biden's pick for the Supreme Court before his end-of-the-month deadline -- and a federal court on Thursday increased the buzz around DC Circuit Judge Ketanji Brown Jackson. The US Court of Appeals for the District of Columbia Circuit deviated from its typical procedure by issuing an opinion on a Thursday -- breaking with its usual schedule of Tuesday and Friday release days. Notably, Jackson -- who has interviewed with Biden for the Supreme Court nomination -- was...