Far be it from us to tell Vice President Harris that she erred in her choice of Governor Walz as her running mate. Time, and voters, will tell if she met the moment or missed the mark. By some accounts, her choice came down to the Minnesotan or the governor of Pennsylvania, Joshua Shapiro. The latter enjoys great popularity in a swing state that could decide the election. He is also an observant Jew who has criticized antisemitism on streets and campus quads.

Did Mr. Shapiro’s faith cost him the nod? The Speaker of the United States House, Mike Johnson, tells our A.R. Hoffman that he thinks it did. One commentator of the left, Van Jones, took to CNN to characterize the decision as “caving in to some of these darker parts in the party” and appeasing “anti-Jewish bigots” that have “gotten marbled into this party.” And this from someone who plans to vote for Ms. Harris in November.