By Victor Davis Hanson Zohran Mamdani, New York’s self-described socialist mayor, could not resist using the nation’s 250th anniversary celebration to trash the very country that he and his parents voluntarily sought out. As is his custom, Mamdani speaks in stereotypes and generalities, offering few if any examples, all laced with his accustomed unctuous hypocrisy. Let’s deconstruct his incoherent July 4 riff: America, they will tell you, belongs only to those with the right accent or the right shade of skin. The rest of us, they insist, should be grateful for merely being allowed to visit. How small they are. How weak, how unoriginal . . . At every moment in our past, those who led through exclusion and isolation have tried to win power and enrich themselves by turning us against one another. Thus spoke the pampered rich kid from Uganda, who immigrated to America with his now-endowed professor father and elite filmmaker mother, the latter reportedly supported by millions of dollar...