The ADL has criticized Twitter for failing to take action against hate speech, charging that fewer than a third of posts flagged for antisemitic content were removed or sanctioned; and it joined other civil rights groups last year in calling for advertiser boycotts. “Musk has declared open season for hate on his platforms,” Suzanne Nossel, author of Dare to Speak: Defending Free Speech for All, and the CEO of PEN America, the free-expression organization, told me.