Simone Biles withdrew from both the team and individual all-around competitions in the Summer Olympics, telling reporters that she has the “twisties.” What does that mean? We brought on Emily Giambalvo, who’s covering gymnastics in Tokyo for The Washington Post, to explain.Host: Rodger ShermanGuest: Emily GiambalvoAssociate Producer: Lani RenaldoAdditional Production Supervision: Ben Glicksman, Noah Malale, Arjuna RamgopalLearn more about your ad choices. Visit podcastchoices.com/adchoices