Co-operation of a sort among different animal species is also quite common, though not very surprising, since members of different species are not generally competing with each other for food, still less for sexual partners.

ECONOMIST: Economics focus

" The coach respected Sandusky as an assistant, but knew little about Sandusky's personal life, the analysis said, though Freeh's report "missed that they disliked each other personally, had very little in common outside work, and did not interact much if at all socially.

NPR: Paternos Issue Report, Challenge Freeh's Findings

Times have changed though and with tickets being relatively pricey, with all seating stadia in place and pitch invasion not very common nowadays it would seem that distance between the fans in the crowd and the playing surface is not as essential as it once was.

FORBES: Olympic Meddle