Simone Biles bore the American flag during the closing ceremony , but she's in the headlines for a slightly different reason. The American gymnast, she of four gold medals and a single bronze, caused a traffic jam during the ceremony because everyone wanted a selfie with her."Simone Selfie Central" is what Mary Carillo of NBC said of the "conga line of people" asking for a #simoneselfie.Naturally, there was some photographic evidence.