A fundamental premise of the American criminal justice system is defense counsel\u27s zealous professional advocacy. Representation of a criminal defendant to be effective must be vigorous. In administering a trial, judges have a duty to ensure a fair and orderly proceeding. On occasion, however, judges overstep the line and impede defense counsel\u27s advocacy functions unfairly. This article describes some of the ways that trial judges may violate legal and ethical standards by improperly interfering with defense counsel\u27s courtroom functions