I found this post on Megan McArdle, and thought it was a CLASSIC:
It would be nice if I were right about absolutely everything--so right that anyone who disagrees with me must be doing so from vicious ulterior motives. But I have friends across the political spectrum, and frankly, I haven't noticed any clustering of personal virtue. Not among the liberals, nor the conservatives, nor even the libertarians so dear to my own heart. Life is complicated; we're all groping in the dark.Don't fail to read the entire thing - including comments. The comments are precious!