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Dissident Irish Republicanism - Laurie Taylor talks to John Morrison, Senior Lecturer in Criminology at the University of East London, about his in depth study into the recent intensification of rogue paramilitary activity, Can the upsurge in dissident Republican violence be explained by the history of splits within the Movement? He charts the rise of groups including the Real IRA, Continuity IRA and the newly emerging 'New IRA.' He's joined by Henry Mcdonald, Belfast correspondent at the Observer newspaper.

Ulrich Beck - Angela McRobbie, Professor of Communications at Goldsmiths, University of London, gives a tribute to the eminent German sociologist who died earlier this month. What do his ideas about the 'risk society' tell us about current concerns relating to global terrorism?

Producer: Jayne Egerton.