The 30th Olympiad starts Friday with an opening ceremony that promises to be spectacular . Forecasters say the weather should improve after a rain-soaked summer so far . TL;DR A new report says more than half of all Olympic athletes are overweight or obese. Security issues have overshadowed preparations but authorities say safety will not be impacted .
The 30th Olympiad starts Friday with an opening ceremony that promises to be spectacular . Forecasters say the weather should improve after a rain-soaked summer so far . Organizers say these Summer Olympics are the most sustainable ever . Security issues have overshadowed preparations but authorities say safety will not be impacted .