Hey, where are the nukes?

The problem with nuclear arms is, that - provided they have an effect which is at least a little close to reality - we can hardly prevent the players from using them enthusiastically. Even if they cause massive pollution, nuclear winter etc. - a defeated enemy in a destroyed, hostile world brings you closer to victory than a strong enemy in a paradise. It was ethics that kept man from using them, not strategy. But this is a strategy game..."