Zohran Mamdani's inauguration speech on Jan. 1 became instantly famous for his promise to prove the "warmth of collectivism." Yet Americans should pay just as much attention to another deeply concerning comment from the socialist mayor of New York City's first act in office. He declared that those who are "fluent in the good grammar of civility have deployed decorum to mask agendas of cruelty," implying that his administration won't tolerate public debate about his agenda.
