In Extra Time this week - there's a dire warning that if the Tokyo Olympics go ahead people will die. A top epidemiologist is urging the International Olympic Committee it's not too late to call the Games off while we hear from Olympic silver medallist Sarah Walker on why the Games must go ahead. And can the Chiefs topple the Crusaders in the Super Rugby Aotearoa final? Join Stephen Hewson on RNZ's Extra Time - in association with Stuff and LockerRoom