For the price of the Iraq War, we could satisfy the British thirst for tea for the next ten thousand years.
The global average wholesale price of tea is $1.95 per kg (link). So satisfying British tea demand for the next ten thousand years would cost $2.7 trillion, which is less than Joseph Stiglitz and Linda Bilmes' estimate of $3 trillion for the cost of the Iraq War.
Image used under a Creative Commons License from fisserman.