Kibosh sat near his gate at Heathrow, waiting for his flight to board.  The seating area was jammed with travelers like him headed for New York, but regardless of the crush of people, the seats on both sides of him remained empty.  Kibosh smiled, humming tunelessly to himself, and took a sip of coffee.

The surprise phone call from Twitter had stirred memories in him that he'd chosen to forget, but between the call and his latest masterpiece in the fairytale house in Slough yesterday, he...