White candles for a murdered Mexican journalist, purple glitter for an Iranian President and the Pope's modest blue car. Kate Adie introduces correspondents' stories. On his first full day in office, the recently elected French President Emmanuel Macron was in Berlin to “breathe new dynamism" into Franco-German relations. But what does Germany make of Macron? Damien McGuinness has been finding out. Purple was the signature colour of President Rouhani’s re-election campaign in Iran and, following his victory, Nanna Muus Steffensen finds it everywhere; purple glitter, headbands, t-shirts, even hair dye. In Mexico Juan Paullier is among the journalists protesting the murder of one of their own – the committed chronicler of the country’s drug wars, Javier Valdez. While the Pope wants a simpler, humbler Church, he’s also very willing to use the grandeur of the Vatican to his advantage, finds Christopher Lamb as President Trump meets Pope Francis for the first time. And in America, could a good walk help heal a divided country? Phoebe Smith goes for a hike along the Appalachian Trail.