Earlier this month, Minister for Communications Patrick O’Donovan stole the budget show with his last-minute cut of €20 million in funding to RTÉ. At a time when his ministerial colleagues were eager to explain the thrust and strategy of our future finances, O’Donovan led us down the rabbit hole of RTÉ’s precarious revenue.  They won’t thank him for it. Not just because it’s a distraction from the main event but because it’s a conundrum without a visible solution.  It’s a version of the never-ending story: How to fund RTÉ.  There was a time in the middle of the last century…