Is the Tokyo Olympics sport's biggest gamble?

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With just one month to go until 11,000 athletes descend on Tokyo for the Olympic Games, we’ll be weighing up the risks and rewards of staging the world’s biggest sports event in the middle of a global pandemic. Japanese infectious diseases expert Kentaro Iwata voices his strong concerns about the wisdom of allowing fans at Olympic venues. British Olympic Association chief executive Andy Anson outlines the measures to keep Team GB safe as they enter 'the toughest environment in sport'. Plus, we hear from two members of Australia’s softball team, who are already in Tokyo and just can’t wait for their shot at Olympic gold.