Japan rock old order again as Olympic rugby sevens takes hold in Rio

Japan’s win over New Zealand rekindled memories of their XV’s World Cup win over South AfricaNo one has ever mistaken Copacabana beach for Hove seafront but if you narrowed your eyes in Rio on Tuesday it could have been Brighton last September. Once again there was a scoreline to rocket the sport of rugby union from its comfort zone and once again the identity of the conquering heroes was the same.All hail the samurai swordsmen of Japan, who have now skewered South Africa and New Zealand in major global tournaments within the same calendar year – outcomes in sevens tend to be more unpredictabl…