With only days to go before the Tokyo Olympics, organizers are defending their pandemic game plan, as two athletes staying in the Olympic Village test positive. Meanwhile, bad timing hits British Prime Minister Boris Johnson, who is self-isolating from a COVID-19 exposure as the England prepares for its grand reopening gamble. Plus, why deforestation is turning the Amazon rainforest against us, in the battle against climate change and carbon emissions. And, meet the Vancouver-based rower gearing up battle the Atlantic with three friends, in the world's toughest rowing race.