Massachusetts, get ready for a Senate primary battle.

U.S. Rep. Seth Moulton, 46, has announced that he will be challenging U.S. Sen. Ed Markey, 79, next year.

“We’re in a crisis, and with everything we learned last election, I just don’t believe Sen. Markey should be running for another six-year term at 80 years old,” Moulton said in his announcement video that went live on Wednesday.

“Even more, I don’t think someone who’s been in Congress for half a century is the right person to meet this moment and win the future,” Moulton added. “Sen. Markey’s a good man, but it’s time for a new generation of leadership. And that’s why I’m running for U.S. Senate.”

Moulton, the Salem Democrat who’s an Iraq War veteran, is not new to trying to shake up the status quo in the party. Back in 2014, he

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