Alysa Liu takes surprise lead at figure skating world championships, capping her sensational return to the sport

Almost three years after stepping away from the sport, American figure skater Alysa Liu is on the verge of winning a world championships title in stunning and unlikely fashion.

​ Almost three years after stepping away from the sport, American figure skater Alysa Liu is on the verge of winning a world championships title in stunning and unlikely fashion. Read More Breaking News, Latest News and Videos | CNN