Hi!
How about we all get a bumper sticker that says "live and let live" and then we all live by those simple, age-old words in this world?
Imagine the sense of relief and the joy of harmony when you see another driver in their car with the "live and let live" sticker -- you know they'll let you get to that off-ramp, you know they won't tail-gate or drive when they're too tired to concentrate. Imagine that.
Forget about defining how and why some people drive dangerously. Let it go.
Tomorrow. Start something.
Live and let live.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic