Voters in New Jersey and Virginia will choose their next governors on Tuesday in a pair of races that will serve as an early gauge of the American electorate's mood after President Donald Trump's norm-shattering nine months in office. In New York City's mayoral race, Democratic nominee Zohran Mamdani, a 34-year-old democratic socialist, faces 67-year-old Andrew Cuomo, a Democrat running as a more centrist independent after losing to Mamdani in the primary, four years after resigning as New York state's governor in disgrace. The campaign has laid bare the Democratic Party's generational and ideological divides as it seeks to rehabilitate...