Pursuant to the Code of Conduct for United States Judges, a judge shall disqualify himself/herself if they have a financial interest in the matter in controversy or in a party to a proceeding. Notwitstanding this judicial cannon, sometimes even the United States Supreme Court makes mistakes.
In a recent interview, Supreme Court Justice Samuel Alito recently revealed that he improperly took part in FCC v. Fox Television Stations, et al. because Justice Alito owned $2,000 worth of Disney stock (ABC, Inc., a subsidary of Walt Disney, Co., is also a party to the action). Although Alito voted against ABC's interest, Alito recognized that his particpation was a an overisght and should have been discovered during the normal course of conflct checks.