 This is The World. I'm Marco Werman. Sudan is spiraling into a famine on a scale not seen in decades. That is the latest assessment from the experts of the United Nations who monitor global hunger. Over the weekend, Sudanese rebels said they captured the key state capital of Singha in Sudan's southeast, another grim milestone in fighting that has raged since April of last year. That's when the Sudanese armed forces, led by General Abdel Fattah al-Burhan, went to war with a paramilitary group