The Royal National Eisteddfod of Wales is held this week at Wrexham. It is a festival that is loved and hated. To be there, Welshmen travel from all over the world' and postpone business deals, weddings and funerals. But others' clamp their hands over their ears. What is the secret of the Eisteddfod? Trevor Fishlock , Welsh Affairs Correspondent of The Times, has been spying on this tribal gathering for several years and today he unravels the mystery. Producer TELERI BEVAN
BBC Wales (Rptd: Thurs 7.45pm)