This story came to me when I noticed two Buskers on the street in London. I was sitting in Euston Station having a drink in a bar waiting for my train to take me back to Wales.Alongside the boy and girl was a street artist who had no connection at all to the others, he was quietly drawing faces that passed by, and had quite an audience. I noticed how quickly he sketched, therefore, as fast as he drew the more money he made, and so I went across to...