Facebook founder Mark Zuckerberg preaches values. But those values were ignored in a case against the platform that a Syrian refugee in Germany recently lost. An open letter to the company's CEO... The plaintiff, Anas Modamani, is one of those users that you are otherwise so proud of: a young Syrian refugee who took a selfie with the German chancellor and then fought to ensure that it wouldn't be abused. An engaged user, in other words... "There have been terribly tragic events -- like suicides, some live streamed -- that perhaps could have been prevented if someone had realized what was happening and reported them sooner," you wrote. "Artificial intelligence can help provide a better approach. We are researching systems that can look at photos and videos to flag content our team should review." Elsewhere in the essay, you admit that "fake news" is something that worries you. Why, then, didn't you help Anas Modamani in his effort to stop the dissemination of manipulated copies of his Merkel selfie?...