Ezekiel Lol Gatkuoth - Minister of Petroleum, South Sudan

South Sudan's first six and half years as an independent country have been an unmitigated disaster. A brutal civil conflict, a broken economy, famine and epic levels of corruption - on any and every measure the world's newest country is failing. This comes despite some of the largest oil reserves in sub-Saharan Africa. Stephen Sackur speaks to South Sudan's minister of petroleum, Ezekiel Lol Gatkuoth. Who or what can deliver South Sudan's people from despair?