Twitter attached disclaimers and turned off comments and retweets for a post by Rep. Marjorie Taylor Greene (R-Ga.) in which she mocks Adm. Rachel Levine, the transgender Biden administration official. In two tweets, Greene referred to Levine, a transgender woman who was born a man and given the name Richard Levine, as “Dr. Dick Levine,” a practice known as “deadnaming,” or calling a transgender person by their original name to mock and denigrate them. “We must do everything we can to prevent Dr. Dick Levine’s pre-teen #WeenieChop,” Greene tweeted from her official account. Twitter declined to remove the post, citing...