Does a conflict exist between the Federal Arbitration Act and Butz v. Economou regarding arbitral immunity?

QUESTIONS PRESENTED A. Does a conflict exist between the Federal Arbitration Act (9 U.S.C. §§ 1-16) and the Supreme Court decision in Butz v. Economou, 438 U.S. 478 (1978), regarding arbitral immunity, and does granting absolute immunity to arbitrators and arbitration agencies, when they are allegedly involved in fraud, violate the Fourteenth Amendment? B. Are the doctrines of res judicata and collateral estoppel subject to the broad : discretion of presiding judges, and can they be applied when only one of four defendants was a party in a prior action, with the subject matter and relief sought in the subsequent case being entirely different? : C. Is a judgment valid if a court issues a prewritten decision following a sham hearing, and do appellate courts violate constitutional rights by failing to overturn or remand judgments allegedly tainted by procedural flaws, judicial errors, and misconduct? ii :