You only require two things in life: your sanity and your wife.
I think all of our experience with Iraqi President Saddam Hussein teaches us that diplomacy has very little chance of working unless it is clear to him that if diplomacy does not work, that the threatened reality of force is there.
We can debate this or that aspect of climate change, but the reality is that most people now accept our climate is indeed subject to change as a result of greenhouse gas emissions.
We've seen the reality of Saddam's regime: his thugs prepared to kill their own people, the parading of prisoners of war and now the release of those pictures of executed British soldiers.
There is nothing like waking up at six in the morning and changing a baby's nappy to bring you face to face with life's reality.
You choose your own reality and you - social media then amplifies those conspiracy theories. So that's why I say social media is itself a revolutionary phenomenon.