I know he's a conservative jerk but he really nailed the essential differences between liberals and conservatives with his satirical imaginings of separate airlines for us and them: Liberal Air vs. Right Wing Express.
Read this and laugh:
Fly the Partisan SkiesBy DAVID BROOKS
"The political divisions in this country being what they are, it's not enough that liberals and conservatives have different radio networks, different Web sites and different networks of friends. In order to eliminate all possibility of trans-partisan conversation, I really think it's time we stopped flying together. It's time to set up two different airlines: Liberal Air, with direct flights between Madison, Berkeley, Ann Arbor and the New School for Social Research; and Right Wing Express, which will have planes with no oxygen masks in case of emergencies because anybody who can't handle a little asphyxiation doesn't deserve to live...."
http://www.nytimes.com/2004/04/06/opinion/06BROO.html?n=Top%2fOpinion%2fEditorials%20and%20Op%2dEd%2fOp%2dEd%2fColumnists%2fDavid%20Brooks&pagewanted=print&position=