Representative Seth Moulton, a Democrat from Massachusetts, speaks during the US Chamber of Commerce's Global Aerospace Summit in Washington, DC, on September 10, 2025. Al Drago/Bloomberg/Getty Images

Invoking the specter of Joe Biden and decrying Democrats whom he says have “clung to the status quo, insisted on using the same old playbook – and isn’t fighting hard enough,” Rep. Seth Moulton launched a primary challenge on Wednesday against Massachusetts Sen. Ed Markey.

Moulton, a 46-year-old six-term congressman who spent much of his early years in Congress leading challenges to then-House Democratic leader Nancy Pelosi, said he’s running because he doesn’t have faith in Markey — not to serve out another Senate term capably, and not to be able to lead the pushback to the current Whi

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