here
The administration's attempt to persuade major European allies and other concerned states to back such a step by the International Atomic Energy Agency board failed again at the board's meeting last week; despite Iran's breach of its previous commitments to the IAEA and to the governments of Britain, Germany and France, the Europeans are inclined to pursue further negotiations and new Iranian promises.
I'm forced to agree. It would take such a small investment to forment a new revolution in Iran and the payback would be huge. I don't know why they don't.