American racists are reusing some of the ugliest elements of Russia’s election interference operation. Memes published by some of the worst Kremlin-backed trolls of the 2016 campaign are being echoed online by American neo-Confederates. The Russian accounts, overseen by the Russian Internet Research Agency (IRA), have since been taken down. But American parrot accounts running some of the same racist crap—and worse—are still live on Instagram, an investigation by The Daily Beast and the Atlantic Council’s Digital Forensic Research Lab found. At least one of these live accounts claims to belong to a Russian network persona. The accounts—which hail the...