What exactly was the extent of Russian meddling in the 2016 election campaign? How widespread was its infiltration of social media? And how much influence did its propaganda have on public opinion and voter behavior? Scholars are only now starting to tackle those questions. But to answer them, academics need data — and getting that ...

On November 4, 2016, the hacker “Guccifer 2.0,” a front for Russia’s military intelligence service, claimed in a blogpost that the Democrats were likely to use vulnerabilities to hack the presidential elections. On November 9, 2018, President Donald Trump started tweeting about the senatorial elections in Florida and Arizona. Without any evidence whatsoever, he said ...