Mamdani and AI industry flex political power in New York, plus more to watch in Tuesday’s primaries

A Democratic primary in New York features a proxy battle between AI industry factions over regulation, with OpenAI-backed groups opposing Alex Bores while Anthropic-supported groups support him. New York City Mayor Zohran Mamdani endorses progressive and democratic socialist candidates challenging established figures, and Donald Trump endorses two Republican candidates in a South Carolina gubernatorial runoff.