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Ed Markey Beats Seth Moulton in Massachusetts Primary as Democrats Reject the Age Debate

Sophia Grant
Sophia Grant •

Sen. Ed Markey, 80, defeated Rep. Seth Moulton in the Massachusetts Democratic Senate primary, handing progressives a win over the party's generational-change wing.

Ed Markey Beats Seth Moulton in Massachusetts Primary as Democrats Reject the Age Debate

Sen. Ed Markey won the Massachusetts Democratic Senate primary on Tuesday, turning back a challenge from Rep. Seth Moulton that centered on the claim that the 80-year-old incumbent is too old to do the job. The Associated Press called the race for Markey on primary night, handing the party's progressive wing a decisive win over its generational-change critics.

The result settles, at least for now, the question Massachusetts Democrats faced all summer: whether to reward four decades of service or clear the way for a younger standard-bearer. Voters chose the familiar name.

A Generational Challenge Falls Short

Moulton, 47, built his entire campaign around age. The congressman, first elected to the House in 2014, argued that Markey -- first elected to the House in 1976 -- no longer had the energy or the command of the issues to represent the state for another six-year term. He pressed that case relentlessly on the trail and in a combative August debate.

One exchange summed up the clash. Asked what AI tools he uses, Markey answered "whatever is inside of my iPhone and my iPad -- whatever comes up." Moulton pounced, saying that if the senator did not know what was on his own devices, the country needed a new generation to regulate technology safely.

It was not enough. Polls showed Markey with a sizable lead in the final days, and he cruised past the challenge just as he did in 2020, when he fended off Rep. Joe Kennedy III of the state's best-known political dynasty.

Progressives Close Ranks Behind the Incumbent

Markey ran as the pure progressive he has been for years: a champion of single-payer healthcare and the Green New Deal, backed by Vermont Sen. Bernie Sanders and Massachusetts' other senator, Elizabeth Warren. Online progressives celebrated the result as proof that ideology matters more than generational labels.

Moulton, by contrast, staked out more moderate ground. He has not endorsed single-payer proposals, and he spent part of the campaign apologizing for earlier comments about transgender athletes -- remarks that drew national attention after the 2024 election and made him a target for the party's left flank.

A Party Still Wrestling With Its Elders

The Massachusetts outcome lands in the middle of a broader Democratic argument about age and direction. The party's 2024 losses, bookended by President Joe Biden's disastrous reelection bid and Vice President Kamala Harris' defeat, left many voters and activists demanding fresher faces.

Elsewhere this cycle, Democratic primary voters have ousted several long-serving incumbents in favor of younger challengers who broke with party orthodoxy on issues like Israel policy. Massachusetts went the other way, keeping an 80-year-old who embodies the party's establishment-progressive wing -- and who now heads into November as the heavy favorite.

What Comes Next

Markey now faces Republican nominee John Deaton in the general election. Massachusetts is heavily Democratic, making Markey the clear favorite to win a third full term in the Senate.

Primary night delivered more bad news for the party's insurgency. In the state's 8th Congressional District, Rep. Stephen Lynch, 71, defeated progressive attorney Patrick Roath, 39, despite being outraised by roughly $300,000. And former Biden White House aide Dan Koh won the primary for an open House seat, keeping the establishment's winning streak intact.

The message from Massachusetts voters was consistent: experience and ideology beat the argument for generational change -- even when the calendar and the clock argue otherwise.