Rep. Jake Auchincloss Advances in Democratic Primary Against Challenger Jason Poulos

<p>Rep. Jake Auchincloss advanced on September 1, 2026, against Jason Poulos in Massachusetts’ 4th Congressional District primary.</p><p>Auchincloss has held his seat since 2021 and faced his first Democratic primary challenge since winning the seat.</p><p>Challenger Poulos, an AI policy researcher, criticized Auchincloss for his past support of military aid to Israel and ties to AIPAC, advocating for an end to U.S. military assistance to Israel.</p><p>Poulos, who previously volunteered for Bernie Sanders’ campaign, ran on a platform that included Medicare-for-all, universal basic income, taxes on corporate automation, stronger unions, and student debt cancellation. He also aimed to reduce military spending and end U.S. military aid to Israel.</p><p>Auchincloss is endorsed by AIPAC but has expressed criticism of some Israeli actions in Gaza, stating that certain actions in 2025