Tom Jensen of Public Policy Polling says his polling shows the blogosphere is unrepresentative of the liberal wing of the Democratic Party:
You wouldn't know it from reading the blogosphere but liberal Democrats are actually pretty happy with the direction of their party right now. On our most recent national poll 76% expressed that sentiment.
Even though Open Left has pretty consistently offered criticism of the Democratic Party since its inception, and even though I am glad there are polling outfits like PPP to provide a valuable service, I still can't stand it when someone caricatures "the blogosphere."
The progressive political blogosphere is vast, has no clear boundaries, and quite literally involves millions of people. Don't stereotype.