Probably because they're afraid their own corruption will come out, if they reveal the Rat's corruption.
Both parties are dirty to the core. But the MSM only looks at one side of the aisle.
Cunningham wasn't the only one involved in steering contracts for money -- was doing research looking for a small business company for a company here to team with and ran across Feinstein and others. I must admit I wasn't expecting that in doing the research.
I have always believed that was what kept Republicans silent in the face of some very sticky,opprobrious activities. But in this case,if the facts as presented are true,they will stick. It's simple enough to point out and ugly enough to get lots of attention.
The fact that the shabby care provided to our men in the service is on the front burner right now assures that almost all Americans will be familiar enough with the subject to recognize how truly shameful and inexcusable her actions have been.
I predict this is the beginning of the end of Diane's political career and probably a few of her cohorts as well.