Simone Biles makes historic beam dismount at U.S. Gymnastics Championships

Simone Biles makes historic beam dismount at U.S. Gymnastics Championships
Simone Biles makes historic beam dismount at U.S. Gymnastics Championships

In her final rotation of the night at the U.S. Gymnastics Championships, Simone Biles becomes the first person in history to land a beam dismount with two flips and two twists.