Sibling rivalry

[davewitley]

> Greta (who has been guilty of turning the car radio up VERY loud to 
> drown out the sound of a pointless argument in the back seat)

You can also try opening all the windows, or, if that doesn't work, 
slam on the brakes for a second, speed up, repeat every couple of 
seconds.  These ploys work best at high speed.

David, who is usually the rapidly-ageing adult passenger in these 
situations