More than half the members of the Blue Dog Coalition—the organization of moderate to conservative Democrats in the House—are in peril in next week's election, a stark indicator of how the balloting could produce a Congress even more polarized than the current one. [...]
Of 54 Blue Dogs in the House, six already have retired or decided to seek other offices. Of those trying to stay, 39 are in competitive races, according to the Cook Political Report, and 22 of those are in pure toss-ups.