If the problems of research method that I have described prevent courts from «effectively and timely»
identifying customary international law, then the Rule would seem to permit them to use special masters to supplement their efforts.
It is not immediately clear to me what purpose is served by Aldo's comparison between comparative
law and
customary international law, unless, of course, comparative
law is seen mainly as a technique to
identify legal rules that are ripe for transplantation to another legal system.