In advance of the first presidential debate, disinformation about Joe Biden is going massively viral on social media, just one day after the former vice president sent Facebook a letter laying out his campaign’s concerns about political disinformation being spread on its platform. “Report: Joe Biden Has Been Given Tonight’s Debate Questions In Advance” reads a headline on arch-paranoiac Alex Jones’ site, Infowars, a notorious peddler of right-wing disinformation.