Democrats’ generational battle erupts as 80-year-old senator faces younger challenger

Massachusetts is the latest battleground in the political fight between the left and the center for the future of the Democratic Party .

But in a flip of the script, progressives are supporting the longtime incumbent against a more moderate challenger as solidly blue Massachusetts holds primary elections on Tuesday.

The Senate nomination showdown between 80-year-old Sen.

Ed Markey and 47-year-old Rep.

Seth Moulton is also the latest faceoff in the Democratic Party's push for generational change, which was fueled two years ago by then-81-year-old President Joe Biden's exit from the presidential race amid questions over his physical and mental stamina following a disastrous debate performance against Trump.

There's a six-way scrum to succeed Moulton in the U.S.

House, and four members of the state's all-Democrat congressional delegation, including House Minority Whip Katherine Clark, are facing challenges from the left.

And Bay State Republicans will choose a gubernatorial nominee to challenge Democratic Gov.

Maura Healey.

THE TOP FIVE MOST HEATED MOMENTS IN THE FINAL MARKEY-MOULTON DEBATE SHOWDOWN But taking center stage on Tuesday is the battle between Markey and Moulton.

Markey, who served 37 years in the House before winning election in the Senate in 2013, is backed by progressive champions Sen.

Elizabeth Warren of Massachusetts and Bernie Sanders of Vermont, and Rep.

Alexandria Ocasio-Cortez of New York, who seven years ago teamed up with Markey to co-sponsor the Green New Deal.

The senator is vowing to keep fighting for a left-wing agenda that along with the Green New Deal includes Medicare for All, a Trans Bill of Rights, taxing billionaires, and slashing military spending.