THE OLYMPICS are in full swing now and there’s a notable absence from the football competition in Brazil – a Great Britain team. We should not be too surprised, for with the exception of 2012 when the nation hosted the games, we haven’t really taken part, for various reasons,  for some years. The golden age of Great British Olympic football was in the early 20th century when most of Europe, indeed the world, was still playing catch-up. In 1908, England beat Denmark in the final at White City to win gold. The Danes had the great Nils Middelboe in their line-up, a player still remembered as a hero in Denmark. I actually stumbled across his grave in Copenhagen earlier this summer and Nils is…