Over the course of the last generations, one of the constant refrains of American Jewish discourse has been the claim that it was impossible for Jews—and especially, rabbis—to talk openly about what was wrong with Israel. Supposedly, the forces of the Jewish establishment were always conspiring to suppress and ultimately punish any brave souls who spoke out against the “occupation” or issued calls for American supporters of the Jewish state to engage in soul-searching about the policies they were enabling with their lockstep support for Israel. Within various communities, no doubt there were those who reacted angrily to rabbis who...