I recommend this post on Escapable Logic …
… We bloggers are, overwhelmingly, the descendants of serfs and laborers. We have opinions that are poorly informed, strongly held, weakly projected and universally unheeded. The cruel fact is that the voices of people-who-blog, like ladies-who-lunch, have a trivial effect on the vectors of our culture or our government or big business, which happily pulls the strings of government.
Yet we write as if we matter.
OK, true. But he has some interesting thoughts on what to do about it. Meanwhile, it seems to me that the mainstream media has been just as frustrated in impacting public policy as the blogosphere, under the current administration. I can’t imagine a news article or editorial that would even make Bush blink. His edifice is utterly immune.