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

Two opposing factions in the artificial intelligence industry square off in a Democratic primary for a U.S.

House seat.

New York City Mayor Zohran Mamdani tests his political clout by backing fellow democratic socialists.

And President Trump, after two of his chosen candidates for governor lost Republican primaries this month, ensured it won't happen again -- by endorsing both candidates in a South Carolina runoff. ...