Q: How many G8 leaders does it take to change a lightbulb?
A: All of them, except the Americans refuse to admit it is dark.
and two I made up...
Q: Why did the OECD, the World Bank and the IMF cross the road?
A: To privatise the chicken
Q: Why did the US corporation cross the road?
A: To sell the privatised chicken to the people who used to own the road.