In this election cycle, two US House races — the hotly contested Sixth District and the open seat in the Fourth District — have drawn most of the attention. But there are four other congressional races in Massachusetts in which a Democratic incumbent faces Republican opposition. Some of these challengers have much to offer, but in each case the incumbent has the edge.
| October 25, 2012
Read it all, now.
Don't miss any of your favorite stories again. Read the stories that matter to you as much as you want, whenever you want when you subscribe to BostonGlobe.com.
Get full access today for just 99¢