Chernobyl at 40: Secret Stasi files reveal extent of Soviet misinformation campaign over nuclear disaster

A German security guard checks for radiation after the Chernobyl accident in April 1986. Patrick Piel/Gamma-Rapho via Getty Images On April 26, 1986, Soviet engineers at the Chernobyl nuclear power plant were conducting a safety test. Doomed by a fatal design flaw and pushed to the limit by human ne