This shouldn’t happen to anyone, but with a gymnastics career for history, Simone Biles will remain a cautionary story for our times—unless we leave her behind for the next hour’s media sensation, again ignoring the signs of caution.
Ms. Biles said on Instagram that her problem was “the twisties,” a phenomenon in which gymnasts lose the ability to keep track of their bodies at high speed. It happens. Some years ago, four-time All-Star second baseman Chuck Knoblauch became unable to throw a ball accurately to first base. He saved his career by moving to the outfield. Ms. …
