Voters head to the polls Tuesday for primaries in Maryland, New York, South Carolina and Utah, with multiple contests drawing attention. Central to coverage is a Democratic primary for a U.S. House seat in New York, where Zohran Mamdani—New York City mayor—tests his political influence by backing fellow Democratic socialists. The race is also framed as part of an emerging struggle within the artificial intelligence industry, where two opposing factions compete for influence and support.

Other reporting highlights South Carolina’s political developments following earlier Republican primary results. After two candidates he supported for governor lost in separate Republican primaries, President Donald Trump signals a different approach by endorsing both candidates in a South Carolina runoff, aiming to shape the outcome going forward.

Together, the accounts describe Tuesday’s primaries as a mix of local political power plays, ideological positioning within party politics, and the continued role of national figures and industry-related groups in shaping candidates’ prospects.