TOKYO (AP) - Michael Andrew, who made waves for saying he wasn't vaccinated against COVID-19, didn't wear a mask behind the scenes after swimming his final at the Tokyo Olympics on Friday.The 22-year-old American was maskless when he stopped to speak with reporters in the mixed zone, an area where journalists interview athletes after events.Most swimmers wear face coverings outside of the pool, while media and workers are required to don face coverings at the Tokyo Aquatics Centre.