Senator Ed Markey wins Massachusetts Democratic primary
Incumbent, 80, beats back challenge from Seth Moulton, who argued Markey was too old to be effective at his job

TL;DR
- Senator Ed Markey won the Democratic primary in Massachusetts, defeating challenger Seth Moulton.
- Moulton's campaign focused on Markey's age, arguing he was too old to be effective.
- Markey, an 80-year-old incumbent, is considered favored to win a third term in the general election.
- Markey is a progressive advocate for universal healthcare and the Green New Deal.
- Moulton, a congressman since 2014, took more moderate stances on some issues.
- This primary result contrasts with other races where younger, progressive challengers unseated incumbents.
- Markey had previously fended off a challenge from Joe Kennedy III in 2020.