Forty-one-year-old Uzbekistan gymnast Oksana Chusovitina was already something of a sensation before she competed in the women’s vault competition. She had made history by merely qualifying for her seventh Olympic Games in Rio, becoming the oldest athlete ever to compete in women’s gymnastics. But she didn’t stop there on Sunday. In an attempt to upstage her competition, and perhaps make a run at United States sensation Simone Biles — who is just two years older than Chusovitina’s 17-year-old son — Chusovitina attempted the Produnova, which many have deemed “the vault of death.” “The vault is very dangerous,” she told the...