Why are America's new breed of soldiers studying philosophy? David Edmonds is in New York state finding out. Jon Leyne has been monitoring speculation in Cairo about who will succeed President Mubarak. There's a significant diplomatic development, Mark Lowen tells us from Belgrade, in Serbia's stance towards its breakaway province of Kosovo. Which are the countries who'll be having their say on world affairs in ten years'time? It's a question Bridget Kendall poses ahead of the UN General Assembly in New York. And some say it was Africa's biggest market. But Louise Redvers says the site, in Angola's capital, Luanda has been closed down and its traders moved on.