Establishment Democrats are panicking after pro-Mamdani, anti-Israel candidates swept New York primaries — framed here as a win for the party's base and a defeat for its old guard.

• James Carville says he'll quit the party over Democrats who criticize Israel.
• Mamdani-backed candidates beat incumbents in deep-blue New York districts.
• Most Democratic voters now have an unfavorable view of Israel, especially younger ones.
• Critics call the winners anti-Semitic, but one of the districts is among the most Jewish in the country and its winner is Jewish.
• Leaders like Hakeem Jeffries distanced themselves from the winners while pivoting to attacking Trump.

Outlook: The fight between the pro-Israel establishment and the party's younger, anti-war base looks set to keep widening.