TP O'Mahony: Do we really need a President in 21st century Ireland?

President Michael D Higgins. A President said by one commentator to have 'notions'. File photo: Maxwell’s
Do we really need the Presidency as a stand alone office in the Ireland of the 21st century?
Our Constitution - Bunreacht na Eireann - says we do (Article 12.1: “There shall be a President of Ireland”), so we’re stuck with it for now. But what about the future - especially a future that is likely to bring us to the threshold of a united Ireland?