by Alice Philipson Agence France-Presse WUHAN, China (AFP) – Li Na said she’s sorry Chinese tennis has not moved on more since her retirement, as the country’s fruitless search for a new champion continues. Li’s two Grand Slam titles set the bar extremely high for her fellow Chinese, who have labored in vain to match her trail-blazing achievements. The contrast was laid bare at last week’s Wuhan Open, where Li received a rock-star welcome during a brief […]