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.

Any philosophical and theoretical assurance that laughter is unique to the human being becomes somewhat unsure when one turns to the anthropological literature.

In the US, what passes for Christianity - and it is, to say the least, a highly perverse, possessive individualist and capitalist version of what I would see as Christ's messianic ethical communism, to say the least - is a new civil religion, a civil religion of freedom.

There are lots of stories about how philosophy begins. Some people claim it begins in wonder; some people claim it begins in worry. I claim it begins in disappointment.

Also, rights are not things that are given in the heavens. Rather, they are levers for political articulations, which enables what was previously invisible to become visible.

The thing about humour is that the super-ego is also at play, so what interested me, particularly in the last chapter which is key to the book -and no one seems to have picked this up in writings on Freud - is that, in the later Freud, the essence of humour is the ability to look at myself and find myself ridiculous. That makes me laugh.

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.