In this edition: a greyish sticky dough called fufu from the Democratic Republic of Congo; pesto Genovese from Italy, made as it used to be, with a pestle and mortar; there's a dish of smoked puffin from Iceland and some of the finest cannabis lollipops in the American west. All this culinary exotica comes as part of this weekly insight, analysis, colour and description served up by reporters covering some of the week’s big news stories around the world