women's sports specifically how or if to include trans women. >> what opportunity do you think leah thompsontories take away from systemic women? >> the ones that would have been on the podium if leah was not racing, that would not go to the championship if leah was not on the team. >> dr. joyner has been looking at fairness in sports by studying the differences in sexes and we spoke to him. he said the legacy testosterone higher in males than females with be lasting. >> what are the physical aspects that trans women may not be able to roll back with hormone therapy. >> issues related to body size, airway size, foot side, perhaps bone dense xfinity, main thing is the interactions of the training and scalable muscle. >> are you saying years of hormone therapy cannot put trans women in a place to compete with sis gender women? >> the evidence so far would suggest paerd of one or two or three four years insufficient. >> we talked to harper in may who advise some of the leading sport bodies on policies for trans athletes including the international olympic committee. >> i think integration of tr

swim against leah thompson, thanks so much you've been almost single-handedly bringing this topic tof your fellow swimmers are embarrassed to think that you're doing this heidi feel about this ruling? >> i definitely think it's a step in the right direction. it's a bold first step obviously it's not everything we need more organization across a bunch of different sports to comply as well i think a very good first step and something worth celebrating. >> tucker: does that reflect other swimmers? you're the sort of lens or from we understand swimming as he and everyone else's come on tv and talk about it we know people who agree with you? >> yes i do for sure being someone know who is witness that firsthand of that competition in march i follow the amount of tears shed in the locker room and the talk of anger and frustration and so i definitely think i'm speaking for large majority here. >> tucker: parents and the ottoman empire a lot of them castrated sons to be called munich's it was her benefit to castrating your children in the ottoman empire, i wonder if this ruling doesn't set up

. >> the new rules banning leah thompson. >> trans women competing in women sport does not threaten women's

talented and beloved academy award winner emma thompson on a prolific career of memorable roles including her latest in the buzzed about new movie good luck to you, leahon sunday today. let's get a quick check of the local sunday weather. >> we are seeing some low clouds and misty skies around the bay area and there is a chance of seeing a little bit of light rain or light showers at times morning to early afternoon, you're seeing it on the futurecast by midafternoon, and will begin to see clearing from the north into the south bay and plan on a muggy sunday even though temperatures are down to the mid to upper 70s inland, high humidity thanks to the tropical moisture which moves out for monday, temperatures climb through midweek back into the 90s in the valley and windy and cooler again approaching next weekend. >>> ahead on sunday today, the highs and lows of the week including the dancing kindergartner staking his claim to be the true valedictorian of his graduation season. but up next, the sunday spotlight on the booming zoom towns growing by the day as remote working americans move out of expensive cities and into more rural communities that are