Sometimes decisions get made and it ends up being God doing for you what you couldn't do for yourself.
Also, from a technical point of view, as you're standing in front of a microphone all day, it's quite a good idea that I should play a laid back sort of character because if he was too frenetic, I'd be exhausted by lunch!
It is hard to look the other way when a dictator is being so cruel and violent with his own people.