Tehran dismisses latest UN offer on nuclear program, prolonging the debate over more sanctions.
The Olympic Committee and China linked the Games to reforms that have gone unfulfilled.
China tries to choreograph a happy ending to its troubled international tour.
Diplomatic Security Service helps keep games safe.
Increasingly, athletes are switching national alliances – sometimes for money, but also for better training opportunities or a chance to compete in a sport that’s too saturated with talent back home.
May the Games help break down walls of fear.