[...Delicious serendipity, the cocaine of discovery.I was taking tea with Herd author Mark Earls in Camden on Friday (yes, we are in England, folks) when Mark spotted someone he knows. He called out and they had a brief conversation.Turns out it was Pat Kane, lead singer of 80s pop sensation (I think that's the right phrase pop pickers!) Hue and Cry.The delicious discovery? Pat is rather more than an ex-pop star. He, I discovered thanks to Mark, is a brilliant thinker and the author of the Play Ethi]