A driver is stuck in a traffic jam on the freeway. Nothing is moving.
Suddenly a man knocks on the window. The driver rolls down his window and asks, "What's going on?"
Terrorists have kidnapped John Howard, Peter Costello, and Kevin Rudd.
They're asking for a $30 million ransom, otherwise they're going to
douse them with petrol and set them on fire. We're going from car to car,
taking up a collection."
The driver asks, "How much is everyone giving, on average?"
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"About a litre."