Wall Street shuddered yesterday after Alan Greenspan, the United States’ central banker, warned American homebuyers that they risk a crash if they continue to drive property prices higher.

Greenspan: You are on the way to destruction.
Greenspan: You have no chance to refinance, make your time.
Greenspan: All your house are belong to bank.
Consumer: Take off all interest-only loan!
Consumer: For great equity!

The meme that keeps on giving...