We told you recently about YouTube’s restrictions on PragerU’s free educational videos on grounds that they are “potentially objectionable.” Google’s YouTube site responded last week by extending that censorship to one of our writers.

Columnist Kimberley Strassel debuted a PragerU lecture on Thursday under the title “The Dark Art of Political Intimidation.” It’s a discourse on the First Amendment and the tactics that progressives are using to limit speech and political engagement by conservatives. Within several hours of...