A major one which no one can overlook is technological and based on inventions and discoveries which have altered the whole basis of production and deeply affected social relations.
I have never believed you go to war in Iraq, you go to war in Afghanistan, and believe that you can deal with those battlefields, those countries, in microcosms, or narrow channels.
I don't possess a lot of self-confidence. I'm an actor so I simply act confident every time I hit the stage.