Biles wraps up remarkable worlds with 4th gold medal

Simone Biles of the U.S. shows her bronze medal for her performance on the balance beam on the second and last day of the apparatus finals of the Gymnastics World Championships at the Aspire Dome in Doha, Qatar, Saturday, Nov. 3, 2018. (AP Photo/Vadim Ghirda)

Bronze medalist Simone Biles of the U.S. performs on the balance beam on the second and last day of the apparatus finals of the Gymnastics World Championships at the Aspire Dome in Doha, Qatar, Saturday, Nov. 3, 2018. (AP Photo/Vadim Ghirda)

Bronze medalist Simone Biles of the U.S. performs on the balance beam on the second and last day of the apparatus finals of the Gymnastics World Championships at the Aspire Dome in Doha, Qatar, Saturday, Nov. 3, 2018. (AP Photo/Vadim Ghirda)