Representative Dan Goldman trails his progressive challenger Brad Lander in polls and prediction markets in the Democratic primary for New York’s 10th Congressional District, as voters cast their ballots in the critical race on Tuesday.The primary has become a referendum on competing visions for Democratic leadership in New York and is one of the clearest tests of the progressive movement’s strength.Lander’s lead in polls and prediction markets reflects dissatisfaction among some voters with Goldman’s more centrist approach, while Goldman is relying on incumbency, name recognition and establishment backing. The race will help determine whether the city’s progressive wing can translate...