The RTÉ scandal was a hydra-headed monster with some in the station appearing to present their debacle as Ryan Tubridy’s disgrace and demonising his manager Noel Kelly as some sort of pantomime villain. But perhaps the real scandal is the enormous failures of corporate governance and culture that were allowed to build up in the station over many years.  In this podcast with Louis Walsh, the veteran show business manager and agent, who has sent his clients down the boreens of Ireland and on to the international citadels of showbiz success and glamour, tells me how he sees RTÉ, where the…