Facebook's Zuckerberg says to review content policies after facing backlash over Trump posts

(Reuters) - Facebook Inc is looking at improving the social network's content policies, while building products to advance racial justice, Chief Executive Officer Mark Zuckerberg said on Friday in response to the ongoing protests in the United States.Zuckerberg's post comes after Facebook faced widespread backlash, including from its own employees, over its decision to leave up controversial posts from President Donald Trump."I know many of you think we should have labeled the President's posts..