Mai Mihara hasn't shown any vulnerabilty, so far. Isabeau as a first year senior isn't going to get (and doesn't deserve) the PCS of seansoned performers like Loena and Kaori. They and Mihara would all have to bomb and she would have to be clean for her to have a chance to win.BUT USA can legitimately win all 4 gold. They are favoured in 3 and with the vulnerability of Loena and the Japanese ladies including Kaori the door is open. Though I do think the better teams this year in dance are from Canada and the Japanese in pairs. USA has the power, the luck (injuries to others) so you just don't know.