Causes of the massive, nine-day traffic jam in China?
Tom's Fiat.
A wonton got stuck in the fuel pump of a bus running on bio diesel.
It was the end of the month, and a billion people suddenly realized they needed new inspection stickers.
In retrospect, the half-off sale on Ming vases was not such a good idea.
A Hummer finally ground to a halt after running over and trying to drag along two dozen bicycles.
A good Samaritan's battery exploded when he tried to use a set of those cheap, made in America jumper cables. (Bought 'em at Great-Wall... Mart. )
An hour after eating, a million people had to go out and eat again.