Elon Musk is finally learning the limits of “free speech” on Twitter. “I tried my best,” Musk tweeted as he suspended the account of Ye, formerly known as Kanye West, after the rapper went on yet another antisemitic screed. Advertisement Ye’s account had been repeatedly penalized for antisemitic tweets dating back before Musk’s tenure as Twitter’s owner, including when he vowed to go “death con 3” [sic] on the Jewish people. “Talked to ye today & expressed my concerns about his recent tweet, which I think he took to heart,” Musk tweeted on Oct. 10. But Musk suspended Ye’s account...