Despatches from correspondents worldwide. In this edition: Mishal Husain's in Lebanon's Bekaa Valley talking to refugees from the war in Syria and learning how a generation of Syrian children is no longer able to go to school; the waters off Somalia aren't the world's piracy hotspot any more - Mary Harper's been finding out how Nigeria's trying to counter an upsurge in maritime crime off the west African coast; with towns and cities expanding across India, Anu Anand has been seeing how animal habitats are being gobbled up, and it's the animals who're suffering; Victoria Gill is in Malawi where powerful motorbikes are now helping out in the country's battle against HIV/AIDS and ... empty that hot tub, do NOT fill the jacuzzi: David Willis says desperate times call for desperate measures in California, now in its third year of drought.