MILAN (AP) — Alysa Liu is left to bear the ambitions of the American figure skating team on Thursday night, when the last of the “Blade Angels” with a legitimate shot at the Olympic gold medal tries to catch Japanese teammates Ami Nakai and Kaori Sakamoto during the women’s free skate at the Milan Cortina Games. Nakai, Sakamoto and Mone Chiba give Japan the chance for the first-ever women’s podium sweep . Then there is Adeliia Petrosian, the young Russian sprite competing as a neutral athlete,