Guan Chenchen Won Gold in Balance Beam. Simone Biles Receives Bronze.

Chinese Guan Chenchen, the youngest competitor Tuesday, won a gold medal in balance beam at the Tokyo Games, performing a routine that was filled with difficulty but gracefully. Simone Biles won the bronze in her much-anticipated return, and another Chinese athlete, Tang Xijing, took the silver. Guan, who is 16 years old and participated in …