Moneyed interests have targeted their enemies. Russ Feingold and Alan Grayson defeated in the 2010 midterm elections. Barney Frank is retiring due to redistricting/gerrymandering and now Dennis Kucinich is gone.
Here's a map of the old 9,10 and 13 districts overlaid with the new district 9 border:
More on gerrymandering:
Update 1
More on Dennis Kucinich: