The GOP is ratcheting up the pressure on Rangel-friendly Democrats:

The National Republican Congressional Committee, noting that a fair number of Democrats have already offloaded Rangel donations, has sent out releases knocking roughly 40 Democratic House candidates for not following suit.
In the releases, Ken Spain, a spokesman for the committee, labels Rangel donations “dirty campaign contributions” and adds that “the out-of-touch Democrat majority will face angry voters and big losses in November’s election.” (The releases were sent almost exclusively to districts where Democratic incumbents are running for re-election.)

In Pennsylvania, a hot battleground state, the Rangel issue is giving Republicans like Lou Barletta and Mike Fitzpatrick some summer buzz.