It was the year 1891, and the first rugby football team from the British Isles was about to embark on a tour of South Africa; any doubts about the financial sustainability of the venture were removed when mining magnate Cecil John Rhodes thumped the table and declared, 'Let them come. I shall stand security for any shortfall.' And so a tradition began that survived the financial insecurities of the pioneer years, two World Wars, sports boycotts, and...