World War 3: why it won't be nuclear: a speculative scenario.

World War 3 is a nightmare. WWIII is lurking in the background of international politics. It may be useful to understand the mechanism in play.
In this new series we will get up close and personal with the strategy and the tactics of a potential world conflict among the great powers of our time.
It is a terrible scenario, highly speculative, but I believe it might give a contribution to the debate.
Enjoy!