Whenever a group expends enormous amounts of time reinforcing their own line of thinking, you know there is trouble afoot. The political blogosphere may spend more time than any (with the exception of technology, of course) yacking about their own ideas, and the lineup has long since lost its credibility.
Now those sacred cow circles are are marching on legislation, which means we all have trouble. It is not as if “the left” is alone in this line of thinking. The right-leaning powers that be are attacking free-speech ideals as well (or, at least they are preparing to attack them).