Russian denialism is the original sin of the Trump era. In 2016, Vladimir Putin attacked the US election. This has been documented by Democratic and Republican congressional investigations, Robert Mueller, the US intelligence committee, and independent cybersecurity experts. The assault was mounted to help Donald Trump win the presidency. And we saw it with our own eyes, as cyber-pilfered documents were released by WikiLeaks, first to derail the Democrats’ convention and then in the final weeks of the general election to hamper Hillary Clinton’s campaign.