By Eric Reed Why Real Money’s Tim Collins thinks Weibo may finally be playable to the upside. Real Money’s Tim Collins is looking at a potential opportunity in Weibo WB. To be sure, he’s looking very carefully. Weibo is a Chinese social media and light-blogging platform. It has a user base larger than the entire population of the United States, which certainly is more than enough to keep it on investors’ radars. However U.S. investors also remember the way that government intervention shook up the Chinese marketplace. “The Chinese government has definitely put a damper on securities from the F…