A law professor who’s been sitting on Facebook’s oversight board stepped down to accept a position in President Joe Biden’s Department of Justice. Stanford’s Pamela Karlan will serve as principal deputy assistant attorney general in the DOJ’s Civil Division after spending less than a year on the Facebook board set up in 2019 to review the social media behemoth’s content policing decisions. “Working with my colleagues on the Oversight Board to build a fairer and more effective approach to content moderation has been an honor. The Board has a critical role to play in holding Facebook to account, and I will continue to watch their work with great admiration,” she said in the board’s release. The White House didn’t respond to a request to confirm Karlan’s appointment. The board, funded by Facebook but technically a separate entity, started accepting cases for consideration in October and has received over 180,000 appeals, …