http://www.govtrack.us/congress/findyourreps.xpd?state=MA&district=4
Note the twisted shape of Barney Frank’s district, from
Newton (nr Boston) to New Bedford
Sadly, that's a vast improvement over the original drawing of D-12, which until the lawsuits was at times as thin as a highway lane in order to create a majority black district. It used to look like this when first drawn by the Democrats in charge of the NC legislature:
I don't expect that to last. Republicans are now in charge of both houses.