When Catherine Connolly was elected president with the support of every left-wing party, it sparked new hope on the left that greater cooperation between Sinn Fein, Labour, the Greens, the Social Democrats and People Before Profit could reap further electoral dividends. How realistic is that hope? And how would a left alliance actually work? Hugh talks to academic Aidan Regan and political correspondent Cormac McQuinn.

Aidan Regan is a professor of political economy at the school of politics and international relations at University College Dublin

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