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Roisin McAuley and guests discuss the issues of the week, including child sex abuse and how we can be ethically fair to all involved.

The origin of genocide and crimes against humanity; Philippe Sands QC reveals how a lecture in the city of Lviv started him on a personal exploration of the origins of international law.

Archbishop Eamon Martin discusses the importance of the parish to Irish identity, while Rev Dr Ken Newell reveals why Advent should be central in our thoughts as we approach Christmas. And homeless at Christmas - the reality of life on the streets.

Plus a review of the Sunday newspapers.