Ignoring for now that you probably wouldn't go near a liberal blog
with a ten foot pole.....
Kos had a disclaimer up whil under the pay of Dean.
MyDD stopped posting entirely.
Other than that, what Tom said.
Besides where did you get the idea that any of the popular bloggers were non-partisan and objective?
Opposing viewpoints dont get near the surface, never mind down the hole.
If you think Wretchard would be any more subjective if he was being paid by Bush....well, how would you know?