Olympic organizers had been promising, then hoping, athletes would be able to dive into the newly cleaned waters of the Seine. But despite a $2 billion overhaul of water treatment, rain has made the river too unsanitary. Events have been postponed, and may have to be cancelled. Rain is also to blame for deadly landslides in India. Climate change may be making the monsoon season more unpredictable. Also, a third child has died after yesterday’s knife attack in Southport, England. Plus, a wildfire rages in California, Poilievre’s position on carbon taxes, and older gymnasts and more.