The pendulum swings back
The Democrats who were most endangered going into the 2010 midterms were in the 50 districts that had been taken away from Republicans in 2006 and 2008 and those in the 48 relatively conservative districts where Obama lost. A look at how they fared:
'06 & '08 new democrats
Districts Obama lost in '08
GRAPHIC: Wilson Andrews, Dan Keating, Karen Yourish / The Washington Post - November 3, 2010.