Ignorance may not be antisemitic, but crafty denial of history is, as is skewing Jewish values to bolster up false claims. In a recent editorial, Morton Klein and Elizabeth Berney of the Zionist Organization of America criticized the ADL’s latest report on radical violence, “Murder and Extremism in the United States in 2021,” arguing that it focused on white supremacism but downplayed threats from minority extremists. Similarly, critics of the secular liberal establishment lament its tendency to understate progressive bigotry and excess. Indeed, politics seems to set the tone for those communal leaders who appear restrained when social justice warriors...