The Olympic timing system for the swimming has been thrown into question again after four dead heats were recorded despite one of Australia's biggest stars clearly touching the wall first. The latest was on Tuesday night with Aussie swimmer Zac Stubblety-Cook and the Netherland's Arno Kamminga both being declared winners in their 200m breaststroke heat. Both swimmers did appear to touch the wall at the same time with the pool's sensors clocking them in at two minutes and 7.37 seconds. After Tuesday night's breaststroke event, Olympic swimming legend and co-commentator Leisel Jones said the...