Rugged defense and an ability to steal opposition ball have been behind Japan's run to a possible place in the quarterfinals of the Rugby World Cup.And nobody has epitomized that more than Jack Cornelsen.The son of Wallabies legend Greg, who is in France watching his son play, Cornelsen junior has been dubbed the "Silent Assassin" by the father of one of his teammates for all the work he has put in, whether it was playing at No. 8 against Chile, when Kazuki Himeno was a late withdrawal, or in the second row."To be honest there is not much change if I'm playing second or back row, as I'm nor…READ FULL ARTICLE