Rocks and stones have always been special to the Irish. The Stone of Fal, reportedly brought to Ireland by the Tuatha de Dannan, was said to have the power to roar – but only when a man fit to rule Ireland stood upon it. The Rock of Doone, similarly only roared out under one fit to be a Chieftain of the O’Donnells of Donegal. Although the great rocks ceased to roar when Christ was born, their tal…