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...