Im philippa thomas. From here in the bbc news room, we send out correspondents to give you the best stories from across the globe. In this weeks programme is Americas Mission in afghanistan accomplished . Justin rowlatt asks what the Trump Administration should do about the United States longest war. According to the american governments own estimates, the taliban still controls a third of the country, Opium Production is at record high and corruption is still rife here. The forgotten refugees of Western Sahara. Sally nabil gets rare access to camps deep in the Algerian Desert where Tens Of Thousands of people are living in limbo. Anger is growing among many of the youth living in these camps and they say unless they start banging the drums of war, the world will continue to ignore them. Sierra leones missing ebola millions. Three years after the obvious began, funds pledged to fight the deadly virus are unaccounted for. Who are the happiest children in the world . Anna holligan meets