Has the gay rights movement and liberalism overreached?

Around Ireland and in Europe, the gay rights movement has had extraordinary success. Many would argue that there is more work to be done.However, Ronan McCrea, Professor of Constitutional and European Law at University College London argues that it's time for the movement to possibly take a step back, or risk unravelling all that's been achieved…He is author of ‘The End of the Gay Rights Revolution: How Hubris and Overreach Threaten Gay Freedom’, and joins Seán to discuss.