Last week, David Quinn appeared on the Today with Sean O’Rourke show to debate same-sex marriage with 
Waterford Labour TD Ciara Conway.
During the debate, David pointed out the blindingly obvious, namely that where a child has two parents of the same sex, only one can be the birth parent. Ms Conway’s reply, oddly, was that this was only David’s “opinion”.
Blogger ‘Donum Vitae’ has fun with this reply in her blog [1]. She also very helpfully provides a full transcript of the debate.
You can read the blog, and the transcript in full here [1].