The Right Cannot Defeat the Left by Abandoning Its Own Principles

The ideological excesses of the American Left are becoming increasingly difficult to ignore.

Political commentator Hasan Piker recently appeared in a Mao jacket—a conspicuous tribute to the Chinese dictator whose regime was responsible for the deaths of tens of millions of people—before addressing college students.

Around the same time, Melat Kiros, a Democratic Socialists of...