Figure skater Alysa Liu makes improbable comeback with new rules, new style and a new approach

She surprised the figure skating world at 13 when she won the U.S. Championships, then shocked again when she retired at 16.

Figure skater Alysa Liu retired at 16. Now 20, she's back and going for gold at the Winter Olympics.

U.S. figure skater Alysa Liu retired at just 16. After years away from the rink, she laced up her skates for a comeback and ...