Seth Moulton
Seth Moulton is a U.S. congressman representing Massachusetts’s 6th District, a Democrat, and a former Marine Corps officer who served in Iraq. He is known for his military background and policy work on national security and veterans’ issues.
Standing...
Stories...
Aug 18, 2026
Lean Right
Moulton is challenging Markey, arguing for a new generation of Democratic leadership in Massachusetts.
His insurgency against the established progressive machine resonates with right-leaning distrust of entrenched incumbents, though his policy positions remain firmly left.