It must be true, or why would they put it in the paper?

Drivers of cars with bumper stickers, window decals, personalized license plates and other “territorial markers” not only get mad when someone cuts in their lane or is slow to respond to a changed traffic light, but they are far more likely than those who do not personalize their cars to use their vehicles to express rage — by honking, tailgating and other aggressive behavior.

It does not seem to matter whether the messages on the stickers are about peace and love —”Visualize World Peace,” “My Kid Is an Honor Student” — or angry and in your face — “Don’t Mess With Texas,” “My Kid Beat Up Your Honor Student.”