Must a judge recuse himself after improper ex parte communication?

QUESTION(S) PRESENTED . . "1. Must a judge who had a improper ex parte communication with the prosecuting team off-docket, with no in camera review, and directed the prosecuting to withhold material of facts from , the defense during the improper ex parte communication have to recuse himself from the trial or may the judge consistent’ with 28 U.S.C. § 144 and 455 and the Due Process Clause of the Fifth ' Amendment to the United states Constitution continue to preside over defendant's trial? . . ; ; 2. Whether trial attorney's service were beneath the constitutional floor for failing to present relevant material of facts in motion to compel recusal of district judge and appellate counsel failure to present significate and obvious issue on appeal of improper ex parte communication ineffective assistance? : 3. Whether judge should recuse himself from presiding over defendant's "Section 2255 Petition" when petitioner has raised is: sues in the petition that are disputed facts and conflict of intrest between petitioner and the judge, or may the judge con: sistent with 28 U.S.C. § 144 and 455 and the Due Process Clause of the Fifth Amendment to the Constitution continue to preside over petitioner's "Section 2255 Petition"? 4. Whether a defendant be denied Due Process of the Court of substantial constitutional violation claims, but lack the intelligence and ability to properly present the claims to the court pro se and can not afford an attorney at cost?