Michael Nunez, writing for Gizmodo:
According to two sources with direct knowledge of the company’s decision-making, Facebook executives conducted a wide-ranging review of products and policies earlier this year, with the goal of eliminating any appearance of political bias. One source said high-ranking officials were briefed on a planned News Feed update that would have identified fake or hoax news stories, but disproportionately impacted right-wing news sites by downgrading or removing that content from people’s feeds. According to the source, the update was shelved and never released to the public. It’s unclear if the update had other deficiencies that caused it to be scrubbed.
“They absolutely have the tools to shut down fake news,” said the source, who asked to remain anonymous citing fear of retribution from the company. The source added, “there was a lot of fear about upsetting conservatives after Trending Topics,” and that “a lot of product decisions got caught up in that.”