New York’s primaries on Tuesday will test just how influential Mayor Zohran Mamdani is with voters six months into his tenure — and offer a preview of the ideological battles to come as Democrats look ahead to the 2028 presidential primary.

Three reasons to care about the New York congressional primaries on Tuesday.

The New York primary election will decide whether democratic socialist Mayor Zohran Mamdani was a fluke or a foghorn alerting NYC to a deep blue wave.