NBA Commissioner Adam Silver said Tuesday that he regrets that so many people in China have been upset by Houston Rockets' General Manager Daryl Morey's pro-Hong Kong tweet, but he is not apologizing.Silver, speaking at Saitama Super Arena before an NBA preseason game between the Rockets and NBA champion Toronto Raptors, said he wanted to clear up some misunderstandings about his organization's position."We are not apologizing for Daryl exercising his freedom of expression," said Silver, reiterating what he told Kyodo News a day earlier. "I regret, having communicated directly with many fri…READ FULL ARTICLE