Mayor Zohran Mamdani took the oath of office in New York City after midnight Thursday. The city's first Muslim mayor, a member of the Democratic Socialists of America, has promised to focus on affordability and fairness. #news #NPR https://www.npr.org/2026/01/01/nx-s1-5663372/zohran-mamdani-sworn-in-as-new-york-city-mayor-capping-historic-rise