Account-1: @CatoInstitute (Twitter)Account-2: @CatoInstitute (Twitter)Scholar: CatoDate: Tuesday, February 20, 2018Retweets: 1 018 retweets(Twitter) Likes: 1 527 likesBody: The Soviet Union was the greatest killing machine in history, slaughtering some 62 million people. http://j.mp/2Fh6bK8 Link: https://twitter.com/CatoInstitute/status/965971057005006848Social Action: authored a viral tweet