Ryan Powers produces this chart of House health industry donations from data. He's trying to counter the Blue Dog claim that they receive more money from health interests simply because industry agrees with their positions most of the time. Yglesias opines:

This is why the very same members likely to be concerned that expanding coverage to the poor is too expensive also tend to be the same members who oppose saving money through the introduction of a robust public option embedded in a strong health insurance exchange. There are some visions of “health care reform” that are compatible with the interests of insurers, and the job of on-the-take Democrats is to try to steer legislation into that harbor.