I can stand number 3 behind Na until post USO. By then, I can see her healthier and plying better. Good results on clay (Similar to last year, minus Madrid blip) Indian Wells and Miami (Done well here), Wimbledon where Na has QF to defend, USO series, Defending Cincy and Carlsbad final but if she is playing Toronto
she may be just covered. And i can see healthy Vika winning the USO, Healthy Serena or not. So there is how i think she can get back up to No. 2, possibly No. 1 depending on if Serena defends her massive clay points, and Li defending her's.