Obama dreams of a society without power relations, without the agonism that constitutes political life. Against such a position one might assert that justice is always an agon, a conflict, and to refuse this assertion is to consign human beings to wallow in some emotional, fusional balm.

The yearning for the common good comes from the refusal to accept that perhaps Americans have very little in common apart from the elements of a sometimes successful civil religion based around a sentimental, indeed sometimes teary-eyed, attachment to the constitution and a belief in the quasi-divine wisdom of the founding fathers.

The culture of irony is the culture of postmodernism, which I would furiously want to denounce. We have to act ethically and politically. Irony is a defensive position, against reality. It always knows what to think about reality. The idea of commitment and engagement is central to me, which is not ironic.

Humour is human. Why? Well, because the Philosopher, Aristotle, says so.

My favourite writer is Beckett and I keep going back to wallow in his work like a deep pool of dark humour or like an oxygen tank when you can't breath in a world consumed by piety, hypocrisy and self-satisfaction.

That is to say, politics is essentially about the management of fear, an economy of fear, continually adjusting the level of fear to produce the right level of affect in the citizenry.

Now, if laughter is proper to the human being, then the human being who does not laugh invites the charge of inhumanity, or at least makes us somewhat suspicious.