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Daniel Majok Gai became a "Lost Boy" at age 6 and eventually made it to Denver, where he managed a hubcap business and earned a college degree. Now he's determined to help heal his troubled homeland.

The U.S. is supposed to allow everyone to come to the annual United Nations General Assembly, which opens next week. But Washington has yet to rule on the visa application by Omar al-Bashir, the Sudanese president who's been indicted on genocide charges by the International Criminal Court.

In the desperately poor country, some 60,000 informal miners are working by hand to unearth an estimated $660 million worth of gold each year. The government is hoping to lure international mining companies to carry out the search on an industrial scale.

Pregnancy is unusually complicated in humanitarian crises. Midwives also often have to help women who have experienced sexual violence and have reproductive health issues.

After a decades-long campaign, Guinea worm remains in only four countries, and eradication is in sight. But health workers say that recent violence in Mali is hindering efforts to stamp out the last few cases there.

The demonstrators have been holding the protests in response to the deaths of four students, and some are also calling for the ouster of President Omar al-Bashir.

More than 100,000 people have fled to refugee camps in South Sudan to escape fighting in Sudan and find food. Heavy rains have depleted supplies and raised mortality rates above emergency levels. The United Nations has launched emergency airdrops of food to help the refugees.

In South Sudan, a man's worth is measured by bovine wealth, and ever-increasing dowries are paid in cows. Cattle-rustling is an age-old problem. But recently, these raids have become markedly more violent, and the new nation is having difficulty stopping them.

As part of her seven-nation tour of Africa, Secretary of State Hillary Clinton visited South Sudan. NPR's John Burnett visited the one-year-old nation during Clinton's visit. He joins guest host Susan Stamberg to talk about Clinton's visit and the challenges facing the new nation.

After decades of war, the South Sudan became its own country and despite continued fighting, there are signs of hope.