The simplistic notion that everyone to the left of us is a commie is wrong and unhelpful.
Nader is speaking the truth. NPR does not support the ultra-leftists. Where would they get their funding? They don't get that much from the ultra-leftists that want to take us back to the stone ages technologically, and limit us all to vegan diets.
They get their money from neo-liberals who work within the current system, and are quite happy to eat meat, drive around in expensive (usually foreign) cars, and live in places like Beverly Hills and the Hamptons.
In Los Angeles, NPR is played on KCRW out of Santa Monica and KPCC out of Pasadena, two bastions of neo-liberals.
The true whacked-out leftists broadcast on KPFK. They despise the neo-liberals on NPR as much as we despise the RINOS in the GOP.
There are wedges we can drive between the neo-liberals and the progressives if we open our eyes to see them. Imagine a conservative-funded SuperPAC sending out a message, not that Obama is too liberal, but that he is not liberal enough in places like Madison or Boulder or Berkeley? Such a message might demoralize the hard left and keep them from the polls.
Of course if we want to keep our blinders on and see Romney and everyone to his left as a raging commie-pinko-socialist then we can continue to lose the war.