https://www.wsj.com/articles/cleveland-murder-video-raises-pressure-on-facebook-to-better-monitor-content-1492448639 Sunday’s video is among most extreme examples of social-media giant’s tools being used to promote or showcase violence A video of a murder posted on Facebook Inc. by a Cleveland man is further ratcheting up pressure on the social-media giant to more closely monitor the content on its platforms. On Sunday, 37-year-old Steve Stephens posted a video of himself allegedl