Before Charles became King, he was Prince of Wales. Charles’ approach to the role has been to serve Wales and to promote Welsh life. But what impact has he had on the country, and what impression did the Welsh leave on him? Huw Thomas, Business Correspondent at BBC Wales and author of Charles: The King and Wales, discusses the role and the man. ​He is interviewed by Welsh broadcasting legend Roy Noble of Aberdare, OBE and former Vice Lord Lieutenant of Mid Glamorgan.