How Alysa Liu became the unlikeliest Olympic figure skating champion

Alysa Liu won Olympic gold on Thursday -- an unexpected fairy-tale ending to an up-and-down week for the U.S. figure skating team.

By D'Arcy Maine · ESPN Top Headlines

Alysa Liu won Olympic gold on Thursday -- an unexpected fairy-tale ending to an up-and-down week for the U.S. figure skating team.