This sounds like a specific cultural peculiarity - there should be no reason why judges aren't replaceable with temporary cover from further afield, or "underst

This sounds like a specific cultural peculiarity - there should be no reason why judges aren't replaceable with temporary cover from further afield, or "understudies". I appreciate that might not be realistic in the US where judges are quasi-political figures, but that is a problem with your legal system, not a jobs problem.