This is his last term.

Representative William Delahunt will not seek re-election to Congress, the seven-term Democrat will announce tomorrow, ending a nearly 40-year career in elected office and giving Republicans hope of capturing the seat, which stretches from Cape Cod to the South Shore.

“It’s got nothing to do with politics,” the Quincy Democrat said today.

Nothing to do with politics, Senator Scott Brown (R, MA) dominating his district, the generally poor atmosphere for incumbent Democrats these days, his ties to Chavez, and/or Amy Bishop. So, an appropriate response:

…and a more relevant question: who should we be targeting next?