People hear the name “Morris Katz” and picture a balding, 75-year-old accountant. “I get that quite frequently,” he says with a laugh. Instead, Katz is a curly-haired, baby-faced, high-energy 28-year-old political strategist and one of the masterminds of Zohran Mamdani ’s surprising victory in June’s Democratic New York City mayoral primary.

To become the city’s youngest mayor since 1889, the 33-year-old Mamdani needs to win again in November’s general election, where he’s the favorite but will probably be facing three opponents and an onslaught of attacks funded by billionaires . No matter who wins, though, this year is likely to be remembered in New York politics as the Gen-Z election—as in Z for Zohran , but also because of the outsized role that younger operatives and vo

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