I found an interesting web site called MaPLight.org (“Money and Politic” is what “MaP” stands for) that categorizes campaign contributions for incumbent congressmen.

It has a liberal bias, but there’s not a whole lot of information sources that don’t.

Here’s what it says about 8th congressional district Congresswoman Melissa Bean (click to enlarge):

And, here’s the scoop on 16th congressional district Congressman Don Manzullo:

The web site also links contributions to those supporting various bills.

Pity it doesn’t do it for challengers.