Last week Green Party leader Eamon Ryan released a video about the potential to convert Cathal Brugha into 1,000 social and affordable houses.
Cathal Brugha Barracks is the last major operational army barracks within the city limits.
James Geoghegan, Fine Gael Cllr and Ciaran Cuffe, Green Party MEP joined the Last Word to discuss.
Catch the full chat by pressing the Play button on this page.