Despatches from correspondents: Why should the west intervene with aid or arms? It's a question asked by our reporter in northern Iraq. The six-year-olds in Gaza who've already lived through three wars. Awesome sights and stressful moments as the Panama Canal celebrates its centenary. The militants of al-Shabaab use film and social media to get their message across - they also like to telephone a certain BBC editor. And why did another reporter pack an orange bottle of cleaning fluid along with the tennis shoes? She talks of a frantic shopping run before a return to Cuba.