Show Opening... But first (0:33); Heatwaves: Protecting outdoor workers (21:02); Banned from the Tokyo Olympics for pot? Let the athletes decide what drugs should be allowed (43:28); 420,000 free rapid COVID tests distributed in Waterloo Region (1:05:48); Rethink ventilation for a safe return to schools after the COVID-19 pandemic (1:27:34); Wilmot man hosts 17th annual fundraiser for childhood cancer (1:47:58)