Who would have thought that a boy from Uganda would become the New York mayor one day? Zohran Mamdani — a 34-year-old democratic socialist — shocked everyone and became the first Muslim and South Asian mayor of the biggest city in the United States.Mamdani was virtually unknown before his upset victory to secure the Democratic nomination over former governor Andrew Cuomo, whom he trounced again on Tuesday. Unlike his opponents, Mamdani focused on reducing living costs for...