The Twitter police have suspended a popular Christian blogger for criticizing a Teen Vogue editor who published an article encouraging teens to have anal sex.

Grace Elizabeth Johnston, who goes by the online name of “The Activist Mommy,” received notice last week that she had been banned from Twitter because of an Aug. 16 tweet she wrote in response to Philip Bicardi, the digital editor of Teen Vogue.

In July, Teen Vogue published a “tutorial” for its young readers on how to have anal sex. The article by “sex educator” Gigi Engle was titled “Anal Sex: What You Need to Know,” and featured instructions on the dos and don’ts of consensual sodomy—never mentioning the fact that many of the magazine’s readers are…