Facebook fact-checker flags Sen. Grassley's posting of Fox News article on the Durham report: Sen. Chuck Grassley posted a Fox News article that was previously flagged by Facebook fact-checker Lead Stories. The Fox article was headlined "Clinton campaign paid to 'infiltrate' Trump Tower, White House servers to link Trump to Russia, Durham finds." According to the filter placed over the story, the fact-checking organization deemed the Fox story to be "False." Fact-checked posts lose exposure on Facebook feeds as they are negatively affected by the platform's algorithm. According to Facebook, users fail to click through a fact-check interstitial to see the post 95% of the time.