some research. you know, tucker, there is very little research that is quantitative in terms of the muscle mass that the transgender females retain even after going through -- >> tucker: wouldn't you want to -- the essence of what you say is there is very little research. >> the one study that does exist show transgender female retain more muscle mass through biological females without hormonal -- >> tucker: of course i that. do but why wouldn't people in charge of protecting women from unfair competition are standing up and saying my job is to protect women? where are the protectors? >> so many of them are liberal-mind and they have a right to compete again. that everybody who wants to compete has a right to be allowed to participate in a competition of their choice perhaps. >> tucker: the rights of everyone else i would think play a role but not in case. amy, thank you for the smart explanation.