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Sinead Morrissey is the winner of this year's T S Eliot Prize for her anthology Parallax. She performs her poems and talks to Anne McElvoy about her role as Belfast's first Poet Laureate. As a new wall is built between Bulgaria and Turkey to deter immigrants Anne explores the way governments use walls to control people's movements and the political and architectural impact of walls as both barriers and gateways. And as Radio 3's Drama on 3 is given over to a new adaptation of The Oresteia, Aeschylus' classic trilogy about murder, revenge and justice, playwright Rebecca Lenkiewicz - whose new version of The Furies is the final episode, and classicist Edith Hall discuss the tragedies and their modern relevance.