It seemed to start off so well for RTÉ. It was a new day, a chance to set the record straight after yesterday’s beating.  But once again it was RTÉ’s own bluffing of detail that left executives and board members scrambling as angry TDs, buoyed by intense public interest, continued to lash questions at them hour after hour, in what was a more focused assault by the Public Accounts Committee (PAC), then yesterday’s outing in front of the Media Committee. Opening the PAC session, which lasted four hours, chair of the RTÉ board Siuin Ní Raghallaigh struck a revolutionary tone. …