Examples could be broadening the scope of prospective talks beyond the nuclear issue and offering Iran real incentives -- lifting sanctions rather than promising not to impose new sanctions.

CNN: Will Iran tensions lead to war?

Lastly, when costing nuclear power, it is essential to remember the scope, scale and subtlety of the subsidies it has received.

ECONOMIST: A renaissance that may not come

Both want a broadly stable world in which nuclear weapons do not spread and rogue states, like Iran and North Korea, have little scope to cause mayhem.

ECONOMIST: Global power