NEW YORK (AP) — Democratic incumbents are facing spirited challenges Tuesday in at least two of New York’s congressional primaries, the latest proving ground in the fight by the progressive left against the party establishment. U.S. Rep. Dan Goldman and U.S. Rep. Adriano Espaillat are both seeking to stave off candidates backed by Mayor Zohran Mamdani, the young democratic socialist who hopes excitement over his election last year will help reshape the city’s congressional delegation. Goldman