Zohran Mamdani's endorsed progressive candidates won three U.S. House primaries, signaling a shift in Democratic politics.
A Manhattan House race became a high-stakes proxy battle over AI regulation between competing tech-sector interest groups.
President Donald Trump successfully secured a victory in South Carolina by endorsing both candidates in a gubernatorial runoff.
Former U.S. Rep. Ben McAdams adapted his political platform to win a primary in a new, left-leaning Utah district.