‘I have spent the past few days in downtown Buffalo, and I can state this with absolute certainty: This is the happiest place in the NFL. This is the most optimistic place in the NFL right now. It may go against civic tradition to be so buoyant — after all, after the Bills blew their AFC playoff game with Kansas City a few months ago the locals had to sift through a deep pile of candidates to determine where that game stood on the list of sporting heartbreaks.’