In a rare public appearance, Liam Cosgrave recalls his memories of John A Costello, who was Taoiseach of the inter-party Government from 1954-1957.

Mr Cosgrave was in Dublin for the launch of 'The Reluctant Taoiseach' by RTÉ Political Correspondent David McCullagh.

This week Pat Kenny spoke to David McCullagh about John A Costello, a man described as the most elusive of our former Taoisigh. Podcast available here