A former Obama campaign official is claiming that Facebook knowingly allowed them to mine massive amounts of Facebook data — more than they would’ve allowed someone else to do — because they were supportive of the campaign. In a Sunday tweet thread, Carol Davidson, former director of integration and media analytics for Obama for America, said the 2012 campaign led Facebook to “suck out the whole social graph” and target potential voters. They would then use that data to do things like append their email lists. When Facebook found out what they were doing, they were “surprised,” she said. But...