David Ingram, “Facebook Says 126 Million Americans May Have Seen Russia-Linked Political Posts,” Reuters, Oct. 30, 2017; Shane Goldmacher, “America Hits New Landmark: 200 Million Registered Voters,” Politico, Oct. 19, 2016; Scott Shane, “These Are the Ads Russia Bought on Facebook in 2016,” New York Times, Nov. 1, 2017; Leslie Shapiro, “Anatomy of a Russian Facebook Ad,” Washington Post, Nov. 1, 2017.
