On Wednesday, President Muhammad Khatami hinted that the country's co-operativeness might stop if this were to happen.

ECONOMIST: Dangerous dabbling | The

While Britain, Germany and France may argue that Iran's new co-operativeness should be rewarded, America is expected to call for Iran's breaches of the NPT to be reported to the United Nations Security Council (which can choose to impose sanctions).

ECONOMIST: Dangerous dabbling | The