Crooks and Liars (yes, linking to them again), has a justifiably angry posting relating to revelations that ThinkProgress, SEIU and Others Targeted by US Chamber of Commerce for Smears.
It’s worth reading in full — this is ugly and subversive action by the Establishment trying to discredit critics. The more this is institutionalized, and the less there is accountability for it, the more hobbled our democracy. And so far, there is no accountability.