 Trolls are posting fake news on Facebook, but it's nothing compared to online fraud. Cheap fakes is the newly minted term to give cover to politicians when they're caught in an embarrassing video. A former employee of Twitter says fake news on social media is at a crisis level. Isn't that stating the obvious? Yahoo News posed the question, should social media come with a warning label? NBC News blamed bump stocks for shootings. They should have checked their sources. That story was false.