Described by Ulster Unionist leader James Craig as the ‘root of all evil’, the Boundary Commission that convened in 1924 was a symbol of hope for nationalist Ireland and fear for unionist Northern Ireland.
When it reported, 100 years ago, its recommendations were shelved - leaving the border of the six counties of Northern Ireland unchanged. And so it has remained to this day...
Paul Clark is joined by historian Cormac Moore, who has looked at the fascinating story of the boudary commission in his book, The Root of All Evil.
You can also watch this podcast on ITVX.