Tony Hawk on skateboarding's "global phenomenon;" Simone Biles golden again

"That is the evolution of skateboarding," says the legendary Tony Hawk in our one-on-one sit-down about the growth of his beloved sport, which is now in its second staging at an Olympics. We hear from Tony, as well as American street skaters Jagger Eaton and Nyjah Huston after their medal-winning performances. Plus, gymnastics reporter Scott Bregman analyzes the women's team final for us.