Sha'Carri Richardson, the pride of Dallas with Olympic gold in sight

"Sha'Carri is a representation of each and every girl to step on this track. All the foundation starts here on this track. So if she can do it, then you can do it," said Cross. As she speaks, a small group of young athletes go through their paces despite the wind buffeting the track in this green suburb of the sprawling Texan city. On this Monday in May, the track team has been given a day off after their exertions the night before in the Texas state championships in Austin. Richardson left her mark on that event a few years ago...