Markey and Moulton Clash Over Progressive Credentials in Massachusetts Senate Debate

Incumbent Sen. Ed Markey and Rep. Seth Moulton squared off Thursday night in their final debate as Democratic candidates vying for the Massachusetts Senate seat, each attempting to establish himself as the more committed progressive choice. The two Massachusetts Democrats confronted contentious policy questions ranging from transgender participation in sports to immigration enforcement, congressional term limits and the party’s relationship with socialism.

A heated exchange erupted over transgender athletes when Markey challenged Moulton about comments made two years prior in which Moulton expressed concern about his daughters being injured by male or formerly male athletes. Markey characterized Moulton’s previous remarks as using transgender individuals as “political fodder” and throwing them “under the political bus.” Moulton subsequently apologized, framing his statement as aimed at preventing Republicans from monopolizing the debate on the issue.

Both candidates supported allowing biological males to participate in female sports, with Markey stating it represents Massachusetts law and the correct policy. Moulton stressed that if Democrats fail to shape this debate themselves, they cede ground to Republicans pushing discriminatory legislation. The exchange drew criticism from conservative outlets after the Republican National Committee highlighted the exchange on social media.

On immigration, Markey and Moulton aligned in calling for the abolition of ICE, with Moulton describing the agency as “completely corrupt” and “staffed by thugs.” Markey cited what he called “seeds of authoritarianism” in opposing the agency’s original creation. Both candidates accused President Donald Trump of election interference, with Markey calling for impeachment and Moulton criticizing Senate Democratic leadership for insufficient pushback against MAGA Republicans.

When discussing socialism’s growing influence within the Democratic Party, both candidates urged the party to embrace increasingly leftward positions. Markey advocated for Medicare for All and a Green New Deal to address young voters’ priorities. Moulton pointed to New York City Mayor Zohran Mamdani as an exemplar of breaking from the party establishment to focus on affordability issues.

The candidates diverged sharply on congressional term limits, with the 80-year-old Markey defending his capacity to serve another term and claiming superior energy levels compared to Moulton. Moulton countered by supporting both upper age limits and term limits, drawing parallels to military leadership practices. The winner of the September 1 Democratic primary will face Republican attorney and Marine veteran John Deaton in November’s general election.