Oberholzer v. Commission on Judicial Performance, 20 Cal.4th 371, 375, 975 P.2d 663 (May 13, 1999) (Commission on Judicial Performance has authority to issue advisory letters, such letters are a form of discipline, its procedures comport with the requirements of due process of law, and such letters may be based upon a perceived legal error, if such error clearly and convincingly reflects bad faith, bias, abuse of authority, disregard for fundamental rights, intentional disregard of the law, or any purpose other than the faithful discharge of judicial duty).