“Like all humans, judges make mistakes (yes, even appellate judges),” said Judge Michael S. Catlett, in his written opinion for the court. “Arizona Rule of Civil Procedure 60 accounts for that fallibility. Rule 60(a), for example, allows a superior court to amend a final judgment to fix ‘a clerical mistake or a mistake arising from oversight or omission.’ And Rule 60(b) allows a superior court to relieve a party from a final judgment due to, among other things, a ‘mistake.'”