Equestrian - Australian eventers lead after daunting course

By Caroline Stauffer RIO DE JANEIRO (Reuters) - Australia led the eventing after Christopher Burton rode a fast and clean round on a cross country course full of falls, refusals and time penalties. Defending champions Germany dropped from first after dressage to fourth in team standings on Monday though Michael Jung, who took home individual gold four years ago, is in second place behind Burton. ''I took a few long routes because this is a difficult course... but he is so fast!'' said Burton, 34