WE’VE ALL seen the footage of George Best rounding the keeper, of Bobby Charlton weeping, of Matt Busby embracing the players, remembering the fallen of Munich, and of Eusebio congratulating Alex Stepney on a superb save. It’s an episode in the history of the game that is as vivid as the unfamiliar blue shirts that Manchester United wore on May 29, 1968. Manchester United’s European Cup triumph, along with England’s 1966 success and Celtic’s ground-breaking triumph, represents the peak of the 1960s. United had reached the goal they set out to achieve a decade earlier and it was not only Manchester that rejoiced, the entire nation (possibly with the exception of the blue half of Manchester) shared United’s glorious Wembley win against Benfica. Who…