A presidential race that was shaping up to be relatively uneventful has been shaken up by the surprise withdrawal of Mairead McGuinness due to health issues. Heather Humphries and Sean Kelly are potential nominees from Fine Gael. While pharma tycoon Gareth Sheridan attempts to secure a spot on the ticket, Independent TD Catherine Connolly is the only official candidate at this stage.  All to discuss with Fionnán Sheahan, Ireland Editor of the Irish Independent.