Ma Xiaolin frequently wrote about current affairs on one of China's leading microblogging sites, where he has two million followers. But recently, he said in a post, the Weibo site called and asked him not to post original content on topics ranging from politics to economic and military issues. "As an international affairs researcher and a columnist, it looks like I can only go the route of entertainment, food and beverage now," the international relations professor wrote on January 31. READ MORE: Weibo has brought in further Chinese government restrictions for bloggers.(AP) Mr Ma, who often ...