Dan Koh, who ran with the endorsement of former President Joseph R. Biden Jr., topped a crowded field to secure the nomination in the safely Democratic Sixth Congressional District.
Page A10From§Eachthe milkman edition — 2 September 2026
Democrats survive double challenge, left-flank insurgent bid, and Israel divide in Massachusetts primaries

Massachusetts Democrats faced every challenge the party could throw at them: generational change, left-flank insurgent bids, and an internal Israel divide. The receipts show the old guard survived all comers. The favorite candidate wins, the former Biden aide takes the primary, and the Squad-backed challenger loses. The party touts unity, but the receipts show unity by attrition. With every challenge overcome, the center holds, but the base is left wondering how many divides a tent can hold before it tears. The slogans change, but the winners stay the same. The only thing that shifts is the angle of the press release. The message is clear: business as usual survives every insurgency, but the receipts always tell you who paid for it.
“The party's old guard survives every challenge—generational, left-flank, and Israel. The receipts say it's business as usual, no matter how many insurgent bids or divides show up. The only thing changing is the campaign slogan.”
“Democrats are a big tent, so it's natural for candidates to face challenges from within and without. The party's unity is stronger than ever—did I say divide? That must have been an anomaly. When the left loses, it's a sign the center is holding. That's good, right?”
The receipts
Dan Koh, backed by Joe Biden and Kamala Harris, won a crowded Democratic primary for the House seat Seth Moulton is vacating in Massachusetts.
Rep. Stephen Lynch (D-Mass.) is projected to fend off a primary challenge from his left and defeat attorney Patrick Roath in a battle defined by generational change, according to Decision Desk HQ. Lynch, 71, defeated Roath, 39, in the Democratic primary for Massachusetts’s 8th Congressional District.
Democrat Daniel Koh is projected to win his party's primary for the House seat left open by Rep. Seth Moulton (D), according to Decision Desk HQ. Koh was locked in a tough primary battle against progressive state Rep.
House Minority Whip Katherine Clark advanced past two left-wing challengers who made Gaza and AIPAC money central issues in the Democratic primary.
Jake Auchincloss advanced against progressive challenger Jason Poulos, who campaigned on Medicare-for-all and ending U.S. military aid to Israel.
This page is a back-issue: the story as it ran, receipts as they were. The current edition is at the front.