Former taoiseach Liam Cosgrave stands in front of a photograph of his father WT  Cosgrave at the GPO Witness History Visitor Centre during its official opening in 2016. Photograph: Brenda Fitzsimons / THE IRISH TIMES

The former Fine Gael taoiseach Liam Cosgrave, who died this week, made an impassioned defence of his father’s actions during the Civil War in a speech(...)