Miller warns Mamdani movement 'spreading across' Democratic Party after socialists notch key victories

This material may not be published, broadcast, rewritten, or redistributed. ©2026 FOX News Network, LLC. All rights reserved. Quotes displayed in real-time or delayed by at least 15 minutes. Market data provided by Factset. Powered and implemented by FactSet Digital Solutions. Legal Statement. Mutual Fund and ETF data provided by LSEG. New York's primary day serves as a litmus test for the Democratic Party as Democratic socialists, including Zohran Mamdani, actively campaign for progressive challengers. Candidates Claire Valdez, Darializa Avila Chevalier and Brad Lander advocate for policies such as Medicare-for-All and abolishing ICE. The segment also covers the controversy surrounding Rep. Dan Goldman, banned by a Brooklyn coffee shop for his pro-Israel stance, leading to a civil rights investigation. White House Deputy Chief of Staff for Policy Stephen Miller argued Tuesday that the Democratic Party has fundamentally transformed as progressive candidates continue to win primaries across the country. "[We have to] explain to the American people that Democrats you grew up with, the Democrats that your mom and dad grew up with, the Democrats that your grandma and grandpa grew up wi