Black Panthers blocked entrances to a number of polling locations last fall. They wouldn't allow the white voters to enter. There was a lawsuit, but the newly-appointed public prosecutor dropped the case.
All the protests in front of AIG executive's houses? All the death threats? Paid for by ACORN. Bus tours chartered by ACORN.
The fights in Healthcare Reform town hall meetings? The rowdy protesters? All the ones who were actually rowdy were SEIU members. SEUI members have actually beat up - to the point that the people had to go to the hospital - people who disagree with the "reform" that is being proposed.
Again, "Community Organizers" = Thugs for Hire