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South Sudan, the world\\u2019s newest state, faces a humanitarian catastrophe from famine driven by conflict. According to the United Nations many millions are threatened by severe food insecurity, with at least 100,000 facing starvation. Aid agencies are gearing up their efforts to reach some of the country\\u2019s remotest regions, but the presence of armed groups makes food distribution difficult. This week on Newshour Extra, Owen Bennett Jones and his guests ask why South Sudan, rich in oil and gas, has failed to live up to the aspirations of its people and what can be done to bring it back from the brink.

Photo: Child at an MSF malnutrition centre in Aweil, South Sudan. Credit: Getty Images