Is it ready? Here are some of the biggest steps and missteps it's taken in the fight against misinformation since 2016.Nov. 10, 2016: Days after the election of President Donald Trump, Facebook CEO Mark Zuckerberg calls the idea that “fake news” on Facebook had influenced the election “a pretty crazy idea." He later walks back the comment.December 2016: Facebook says it will hire third-party fact-checkers to combat misinformation.April 27, 2017: Facebook publicly acknowledges that governments or other malicious non-state actors are using its social network to influence national elections, in line with U.S.