The question of whether transgender athletes should be allowed to compete in women’s sports has sparked controversy as elite female athletes have seen their accomplishment erased by bigger, stronger, and faster trans women who went through male puberty. Matt Kibbe talks with Jennifer Sey, a champion gymnast and the founder and CEO of XX-XY Athletics, about the abuse she has received for having the courage to speak obvious truths about human anatomy out loud and her launch of a new line of athletic wear designed to explicitly support female athletes in the midst of a culture that seeks to silence them.