Twenty-two years ago, I wrote about RTÉ’s corporate culture for Ireland’s top-selling newspaper and interviewed the businessman and former owner of the Renault Ireland franchise Bill Cullen on my Today FM radio show about it.  This is an extract from my article on December 1, 2001: “RTÉ banned Bill Cullen from appearing on the Late Late Show to promote his best-selling book because his company spends £1 million sponsoring the programme… “Friends say Bill Cullen, who signed up for the £1 million sponsorship of the Late Late Show for the first time this season, is very hurt and angry at…