Analysis: Simone Biles’ greatest power might be the toughness that’s been there all along
PARIS — In the early days after she was adopted by her grandparents, Simone Biles, a preschooler at the time, putting herself in charge of younger sister Adria. Part of it was Biles doing what big sisters do. Part of it was trying to give Adria something familiar to hold onto as they adjusted to…