https://www.recode.net/2018/3/20/17141366/facebook-cambridge-analytica-trump-bannon-data-uber-pedestrian-death-ferro-tronc-keyboard-cat >Facebook’s top security officer is leaving the company after disputes about Russia. Alex Stamos’s planned departure ”reflects heightened leadership tension at the top of the social network” over how to handle interference from Russia and other actors who wanted to abuse the social network. “Some of the company’s executives are weighing their own legacies and reputations as Facebook’s image has taken a beating.” Facebook stock is also getting bruised: Mark Zuckerberg’s net worth dropped by about $5 billion following news that Facebook data from 50 million users ended up with the Steve Bannon-linked data analytics company that helped get Donald Trump elected. Facebook has suspended the accounts of whistleblower Chris Wylie and is auditing Cambridge Analytica to see if it still has the Facebook user data it promised to destroy in 2015; the U.K.’s data protection authority wants a warrant to search the offices of the London-based political data harvesting operation. A British undercover investigation secretly filmed Trump’s election consultants describing how they use bribes, sex workers and other dirty tricks to entrap politicians. Here’s a deep look into how Facebook groups are being exploited to spread misinformation, plan harassment and radicalize people. Keep current with this story with our continually updated storystream. [New York Times] >[Want to get the Recode Daily in your inbox? Subscribe here.]