Is the blogosphere a true kill zone for left-liberalism

In a long screed making the rounds, Freddie de Boer certainly thinks so.

Then again, he seems to think Ezra Klein and Matt Yglesias were at one time really liberal (at least Yggs) then got corrupted or something. Actually, they never were that, that liberal.

And, he thinks Markos Moulitsas, Kos, apparently is the victim of a freezeout from neolib talking head types, and I'm inferring Freddie thinks that is because Kos is too liberal.

The man who cares about Dems winning first? Who thinks there's a phalanx of secret liberals inside the CIA? He's too liberal?

With left-liberal friends like this ...