A few hours after announcing a review of its verification program, Twitter began revoking the verified status of some accounts. White supremacists Richard Spencer and Jason Kessler are among the users who no longer have a blue checkmark displayed on their profiles. On Wednesday, Twitter admitted in a thread on its support account that “verification has long been perceived as an endorsement,” something its critics have argued for years about the program, which began in 2009 to prevent impersonation accounts. The problem was compounded last year when the verification program opened to allow public submissions. Twitter said yesterday that it has stopped accepting public submissions as it reviews the program and “remove(s) verification from accounts whose behavior does not fall within these new guidelines.” Its updated rules says Twitter will now remove verification for “behaviors on and off Twitter,” including promoting hate and violence; threatening people on the basis of race, et...