Meet the far-left insurgents waging war on the Democratic establishment in 2026 midterms

This material may not be published, broadcast, rewritten, or redistributed.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. Chief congressional correspondent Chad Pergram reports on a far-left surge consuming the Democratic Party after socialist candidate Melat Kiros ousted 14-term incumbent Rep. Diana DeGette in Denver, marking the 27th progressive primary victory this cycle, triggering sharp warnings from President Donald Trump and Vice President JD Vance. The high-stakes fight between the left-wing and the center-left establishment for the future of the Democratic Party is moving to a much larger stage. After victories by far-left and socialist candidates in dark blue congressional districts in New York City and Colorado the past couple of weeks drew plenty of national attention, the spotlight now shifts to Midwestern battlegrounds. Hours after Democratic Socialists of America (DSA) backed challenger and first-time candidate Melat Kiros toppled 15-term Democratic Rep.