Peter Gratton is remarkably generous with his time and insight. He knows what he did.
I guess what I am trying to say is those of you who email me questions, go pester him instead!
The agony of the rat or the slaughter of a calf remains present in thought not through pity but as the zone of exchange between man and animal in which something of one passes into the other. - Deleuze and Guattari, What Is Philosophy?